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CVE-2026-4357 Sep 02, 14:16 CRITICAL POC CERT-EU Act Now

Unrestricted file upload in the Embed HTML5 Game WordPress plugin (versions through 1.3) lets unauthenticated attackers upload arbitrary files - including PHP scripts - because the plugin neither restricts who may upload nor validates file type, enabling planting of PHP backdoors and full remote code execution. WPScan reports the flaw with a publicly available exploit, and the CVSS 10.0 rating reflects unauthenticated network exploitation with complete impact. No CISA KEV listing exists, but the combination of PR:N and a public PoC makes opportunistic scanning likely.

PHP WordPress File Upload Embed Html5 Game Unknown
NVD WPScan
CVSS 3.1
10.0
EPSS
0.3%
CVE-2026-77009 Sep 02, 14:16 CRITICAL POC Act Now

Remote code execution in the WatchMan-Site7 WordPress plugin (all versions through 4.2.0) allows any authenticated user - including a low-privilege subscriber - to run arbitrary PHP on the server because the plugin's debugging console, which evaluates user-supplied PHP, is not access-restricted. Publicly available exploit code exists (reported by WPScan), and with CVSS 9.9 this represents full server compromise from the lowest authenticated role. There is no public evidence of active in-the-wild exploitation at time of analysis.

PHP WordPress RCE Code Injection Watchman Site7 +1
NVD WPScan
CVSS 3.1
9.9
EPSS
0.3%
CVE-2025-9314 Sep 02, 14:25 CRITICAL POC Act Now

Unauthenticated arbitrary file upload in the Developer Tools WordPress plugin (versions through 1.1.3) lets remote attackers upload malicious files via the bundled, legacy SWFUpload component, typically leading to remote code execution when a PHP webshell is placed in a web-accessible directory. Any WordPress site running this plugin at or below 1.1.3 is exposed with no authentication required. Publicly available exploit code exists (reported by WPScan), though there is no public evidence of active exploitation.

WordPress File Upload Developer Tools Unknown
NVD WPScan
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-53611 Sep 02, 16:17 CRITICAL PATCH Act Now

Remote OS command injection in AS203038 Looking Glass before 1.3.5 lets remote attackers inject shell commands through the ping/traceroute/BGP diagnostic inputs. The root cause is an unanchored regular expression in the input-validation layer that fails to bind matching to the full input, allowing malicious payloads to slip past validation and reach an underlying command. No public exploit or CISA KEV listing exists at time of analysis, but the network-facing, unauthenticated nature (CVSS 9.8) makes it high-priority for any exposed instance.

Command Injection
NVD GitHub
CVSS 3.1
9.8
EPSS
1.0%
CVE-2026-20274 Sep 02, 16:13 CRITICAL Act Now

Improper resource lifecycle control (CWE-664) in Cisco IOS XR Software is addressed by a batch software-hardening release stemming from Cisco's internal security review (advisory cisco-sa-hardening-iosxr-qg64NcM). The provided CVSS vector (AV:N/AC:L/PR:N/UI:N, 9.8) implies a remotely reachable, unauthenticated flaw with high confidentiality, integrity, and availability impact on IOS XR routers, but Cisco's omnibus advisory publishes no technical specifics on the affected component or trigger. No public exploit identified at time of analysis, and no EPSS/KEV data was supplied.

Cisco Cisco Ios Xr Software
NVD VulDB
CVSS 3.1
9.8
EPSS
0.7%
CVE-2026-19117 Sep 02, 18:04 CRITICAL Act Now

Authentication bypass in on-premises Delinea Secret Server allows an attacker to register an attacker-controlled FIDO2 credential against a victim's account and subsequently log in as that user (CWE-290, spoofing). Because Secret Server is a privileged-access-management vault, a successful bypass yields access to whatever secrets and privileges the impersonated account holds. No public exploit identified at time of analysis and no CISA KEV listing; the vendor rates it CVSS 9.8, though the description qualifies exploitation as occurring only 'under specific conditions.'

Authentication Bypass Secret Server On Prem Delinea
NVD
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-20279 Sep 02, 16:13 CRITICAL Act Now

Improper access control in Cisco IOS XR Software allows remote unauthenticated attackers to bypass authorization restrictions and gain full compromise of affected routing platforms, per Cisco's CVSS 9.8 rating. The flaw is one of several internally discovered issues addressed in a batch of software-hardening releases from Cisco's proactive security review (advisory cisco-sa-hardening-iosxr-qg64NcM). No public exploit identified at time of analysis, and the vulnerability is not listed in CISA KEV; the vendor-supplied description is high-level boilerplate with no concrete technical detail.

Authentication Bypass Cisco Cisco Ios Xr Software
NVD VulDB
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-19931 Sep 02, 10:57 CRITICAL PATCH Act Now

Cross-user session confusion in libcurl allows one user's HTTP request to be silently transmitted over another user's previously authenticated Negotiate (SPNEGO/Kerberos) connection. When an initial request to a host is made with empty credentials, libcurl incorrectly treats the resulting connection as eligible for reuse, so a subsequent request from a different principal inherits the earlier authenticated context. There is no public exploit identified at time of analysis; EPSS is low (0.26%, 17th percentile), and the flaw is only meaningful in multi-user or proxy-style deployments that share a single libcurl handle/connection pool.

Information Disclosure Curl Haxx
NVD VulDB
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-84325 Sep 02, 00:18 CRITICAL PATCH Act Now

Access-restriction bypass in Google Chrome desktop prior to 152.0.7977.75 lets a remote attacker who first tricks a user via social engineering leverage a co-installed application to escape Chrome's system access boundaries. The flaw is an improper input validation (CWE-20) issue in the browser's DataTransfer component, rated High by Chromium and fixed in the September 2026 Stable channel. EPSS is low (0.16%, 5th percentile), no public exploit or CISA KEV listing exists, so realistic risk is bounded by the required user interaction and the presence of a malicious co-installed app.

Google Suse
NVD VulDB
CVSS 3.1
9.8
EPSS
0.2%
CVE-2026-20212 Sep 02, 16:13 CRITICAL Act Now

Remote code execution in the Silicon One integration of Cisco Nexus 9000 Series Switches (Cisco NX-OS Software) lets an unauthenticated attacker run code as root by connecting to TCP ports 43210 and 43211, which are exposed by default in the Layer 3 default VRF. Crafted input to the S1HAL process is executed with root privileges, and the same flaw can crash S1HAL to force a device reload (denial of service). Rated CVSS 9.8; no public exploit identified at time of analysis and the CVE is not listed in CISA KEV, but the pre-authentication, network-facing nature makes it a top-priority patch.

Denial Of Service Cisco Cisco Nx Os Software
NVD VulDB
CVSS 3.1
9.8
EPSS
0.5%
CVE-2026-81294 Sep 02, 11:37 CRITICAL Act Now

Unauthenticated privilege escalation in the WordPress Authorizer plugin (versions 3.15.1 and earlier) lets remote attackers with no credentials elevate themselves to elevated/administrative roles, according to a CVSS 9.8 rating and CWE-266 (incorrect privilege assignment). Authorizer is an authentication/SSO plugin, so a flaw in its role-assignment logic effectively hands attackers control of the authentication gate itself. No public exploit identified at time of analysis, and the issue is reported by Patchstack rather than listed in CISA KEV.

WordPress Privilege Escalation Wordpress Plugin Authorizer
NVD
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-78657 Sep 02, 05:29 CRITICAL Act Now

Arbitrary file deletion in the SigmaForms Pro - AI Generated Forms plugin for WordPress (all versions through 1.4.11) lets unauthenticated attackers submit a path-traversal string through a form's file-upload field, which is stored in the database and processed by the vulnerable delete_submission_files function. When an administrator later deletes the submission record, the plugin removes the attacker-specified file - deleting wp-config.php (or similar) can escalate to full site takeover/remote code execution. Reported by Wordfence; no public exploit identified at time of analysis and no CISA KEV listing.

PHP WordPress RCE Path Traversal Sigmaforms Pro Ai Generated Forms +1
NVD
CVSS 3.1
9.8
EPSS
0.7%
CVE-2026-9055 Sep 02, 04:26 CRITICAL Act Now

Unauthenticated privilege escalation in the WordPress plugin Booking for Appointments and Events Calendar - Amelia (Premium) versions 8.0 through 9.6.2 lets remote attackers gain full administrator control of a site. By abusing insufficient validation of the 'type' parameter in the customer update endpoint (with 'externalId' set to 0), an attacker elevates a customer to the manager role, then creates a provider entity linked to an existing administrator and overwrites that administrator's password. No public exploit has been identified at time of analysis, but the CVSS 9.8 rating and unauthenticated network reachability make this a high-priority patch for affected sites.

WordPress Privilege Escalation Booking For Appointments And Events Calendar Amelia Melograno
NVD
CVSS 3.1
9.8
EPSS
0.3%
CVE-2026-84353 Sep 02, 00:18 CRITICAL PATCH Act Now

Sandbox-escaping remote code execution in Google Chrome for Android before 152.0.7977.75 stems from a use-after-free in the Shared Tab Groups feature (CWE-416). A remote attacker who lures a victim into visiting a crafted HTML page can corrupt freed memory to execute arbitrary code outside the renderer sandbox. Chromium rates the severity Critical (CVSS 9.6); the vendor has shipped a fix, but no public exploit has been identified at time of analysis.

RCE Denial Of Service Google Use After Free Memory Corruption +1
NVD VulDB
CVSS 3.1
9.6
EPSS
0.3%
CVE-2026-84352 Sep 02, 00:18 CRITICAL PATCH Act Now

Sandbox-escaping remote code execution in Google Chrome for Android before 152.0.7977.75 stems from a use-after-free in the WebGL implementation, letting a remote attacker who lures a victim to a crafted HTML page execute arbitrary code OUTSIDE the renderer sandbox. Rated Critical by Chromium with a CVSS 9.6 (scope-changed) vector; a vendor patch shipped in the September 2026 Stable channel update. No public exploit identified at time of analysis, though the tracker bug (issues.chromium.org/546260492) and Google's own reporting indicate the flaw is well characterized.

RCE Denial Of Service Google Use After Free Memory Corruption +1
NVD VulDB
CVSS 3.1
9.6
EPSS
0.3%
CVE-2026-84333 Sep 02, 00:18 CRITICAL PATCH Act Now

Remote code execution in Google Chrome for Android before 152.0.7977.75 stems from a use-after-free in Dawn, Chrome's WebGPU/GPU graphics abstraction layer, and - per Google's advisory - allows a crafted HTML page to execute arbitrary code outside the renderer sandbox. Exploitation only requires an unauthenticated victim to visit a malicious page, giving the attacker high-impact code execution on the device. No public exploit has been identified at time of analysis and the issue is not in CISA KEV, though the sandbox-escape framing makes it a high-priority browser patch.

RCE Denial Of Service Google Use After Free Memory Corruption +1
NVD VulDB
CVSS 3.1
9.6
EPSS
0.2%
CVE-2026-84354 Sep 02, 00:18 CRITICAL PATCH Act Now

Sandbox escape and out-of-sandbox arbitrary code execution in Google Chrome (desktop) before 152.0.7977.75, rooted in an incorrect authorization flaw in the FileSystem component. A remote attacker who lures a victim into opening a crafted HTML page can break out of the renderer sandbox and run code with the privileges of the browser process. Rated High by Chromium and CVSS 9.6; the vendor has shipped a stable-channel patch, though no public exploit code or active exploitation has been identified at time of analysis.

RCE Google Suse
NVD VulDB
CVSS 3.1
9.6
EPSS
0.2%
CVE-2026-53670 Sep 02, 17:54 CRITICAL PATCH Act Now

Verifier bypass in PREVAIL, the polynomial-runtime eBPF verifier (used notably as the abstract-interpretation verifier in ebpf-for-windows), affects all versions prior to 0.2.4. When a destination register carries a non-singleton typeset - two or more simultaneously possible pointer types, e.g. {ctx, shared} or a {number, pointer} union - EbpfTransformer::add() silently skips updating the pointer offset variable, leaving a stale pre-add offset. Subsequent bounds checks reason from that stale offset and accept out-of-bounds memory accesses, so a crafted BPF program that would corrupt memory at runtime is incorrectly accepted as safe; the fix landed in 0.2.4 and no public exploit has been identified.

Buffer Overflow Prevail Vbpf
NVD GitHub
CVSS 4.0
9.3
EPSS
0.3%
CVE-2026-53671 Sep 02, 17:54 CRITICAL PATCH Act Now

Verifier bypass in PREVAIL (vbpf/prevail), the polynomial-runtime eBPF static verifier, before version 0.2.4 lets an attacker get an unsafe eBPF program accepted as safe. The abstract transformer treats stores through a context-typed (T_CTX) base register as a silent no-op, so a program can overwrite a context pointer field such as ctx->data, reload it typed as a packet pointer (T_PACKET), and dereference an attacker-controlled address while prevail still reports PASS, enabling out-of-bounds memory access. Fixed in 0.2.4; no public exploit identified at time of analysis beyond the maintainer's regression test cases, which concretely demonstrate the bypass shape.

Information Disclosure Prevail Vbpf
NVD GitHub
CVSS 4.0
9.3
EPSS
0.3%
CVE-2026-81286 Sep 02, 11:37 CRITICAL Act Now

SQL injection in the WCFM Marketplace WordPress plugin (versions 3.8.1 and earlier) lets remote unauthenticated attackers inject arbitrary SQL into backend database queries. Per the CVSS vector this is exploitable over the network without privileges or user interaction, and the changed scope with high confidentiality impact indicates database contents can be read across the WordPress store's data. Reported by Patchstack; no public exploit code or active exploitation has been identified at time of analysis.

WordPress SQLi Wcfm Marketplace Wordpress Plugin Wc Lovers
NVD
CVSS 3.1
9.3
EPSS
0.3%
CVE-2026-84695 Sep 02, 01:17 CRITICAL PATCH Act Now

Stored cross-site scripting in BookStack before 26.05.4 lets a user with editor-level permissions upload a malicious SVG through the drawing upload endpoint, which accepts unvalidated base64 content and stores it without inspection. The image gallery API later streams the file with no content-type validation and no CSP headers, so the embedded script executes in the browser of any administrator who views it - enabling admin session/account takeover. No public exploit is identified at time of analysis, but the fixing commit and test case publicly document the vulnerable code path.

XSS
NVD GitHub
CVSS 4.0
9.3
EPSS
0.3%
CVE-2026-84696 Sep 02, 01:17 CRITICAL Act Now

Firmware-level compromise of the Phison PS3111-S11 SATA SSD controller allows an attacker with privileged local host access to read and write controller SRAM and raw NAND flash by abusing privileged vendor unique commands (VUCs) exposed over the ATA interface. Firmware builds through SBFQT1.3 either ship with no VUC lock or use a weak CRC-16 unlock handshake that can be trivially defeated, enabling a persistent firmware implant that survives power cycles and OS reinstalls. Public tooling and a technical writeup exist (VulnCheck advisory plus GitHub 'disksec' and 'psychite' projects), so publicly available exploit code exists, though there is no evidence of active exploitation.

Authentication Bypass
NVD GitHub
CVSS 4.0
9.3
EPSS
0.1%
CVE-2026-84699 Sep 02, 01:17 CRITICAL PATCH Act Now

Authentication bypass in Team Password Manager before 14.184.308 lets unauthenticated remote attackers abuse the local account password-reset flow to set arbitrary passwords for existing local users and then log in as them. Because this product is a self-hosted vault storing credentials for entire teams, a successful reset yields full account takeover and access to whatever secrets the victim can view. No public exploit has been identified at time of analysis, though the flaw was reported by VulnCheck and a fixed release is available.

Authentication Bypass
NVD
CVSS 4.0
9.3
EPSS
0.4%
CVE-2026-78689 Sep 02, 15:40 CRITICAL PATCH Act Now

Heap out-of-bounds write in NGINX JavaScript (njs) xml.exclusiveC14n() allows unauthenticated remote attackers to crash NGINX worker processes or cause unbounded memory growth, with theoretical code execution that has not been demonstrated. The vulnerability is directly reachable in the nginxinc/nginx-saml reference SAML SP implementation, which passes untrusted InclusiveNamespaces/@PrefixList values to xml.exclusiveC14n() before signature verification completes - meaning no valid SAML signature is required to trigger it. Both the njs (default) and QuickJS engines are affected, with differing crash-vs-leak behavior, but both result in denial of service. No public exploit is identified at time of analysis.

RCE Buffer Overflow Denial Of Service Heap Overflow Nginx +2
NVD
CVSS 4.0
9.2
EPSS
0.4%
CVE-2026-66786 Sep 02, 17:57 CRITICAL PATCH Act Now

Remote code execution as root on the Submariner gateway node is possible in cert-auth mode, affecting Submariner as bundled in Red Hat Advanced Cluster Management for Kubernetes 2. The gateway builds its IPsec connection configuration from unvalidated free-form CRD fields, so a malicious member cluster can publish a CableName containing embedded newlines and ipsec.conf directives (e.g. a leftupdown hook) that get executed on the gateway. No public exploit identified at time of analysis; the flaw is reported and tracked by Red Hat.

RCE Code Injection Red Hat Red Hat Advanced Cluster Management For Kubernetes 2 Red Hat
NVD VulDB
CVSS 3.1
9.1
EPSS
0.7%
CVE-2026-84795 Sep 02, 11:11 CRITICAL PATCH Act Now

Privilege escalation in Craft CMS before 5.10.11 lets remote attackers gain administrator rights by registering a new account using the email address of a previously deactivated admin, because the admin flag is not validated and persists across registration. Exploitation requires public user registration to be enabled and email verification to be disabled. Reported by VulnCheck with a vendor security advisory (GHSA-242m-9wq7-vhwq); no public exploit identified at time of analysis.

Privilege Escalation Cms Craftcms
NVD GitHub
CVSS 4.0
9.2
EPSS
0.3%
CVE-2026-73475 Sep 02, 12:32 CRITICAL PATCH Act Now

Incorrect authorization in the Drupal Commerce PayPal contribution module (versions up to 1.12.0 and 2.0.0 through 2.1.3) lets remote unauthenticated attackers reach protected resources or actions through forceful browsing - directly requesting URLs/endpoints that should be access-checked. A vendor patch exists via Drupal security advisory SA-contrib-2026-095. No public exploit has been identified at time of analysis, and the module is a niche payment-integration component rather than Drupal core.

Authentication Bypass Drupal Commerce Paypal
NVD
CVSS 3.1
9.1
EPSS
0.2%
CVE-2026-18924 Sep 02, 10:57 CRITICAL PATCH Act Now

Use-after-free in libcurl's HTTP/2 Server Push handling affects applications that enable server push while sharing connections across easy handles via the curl share interface. A malicious or compromised HTTP/2 server can trigger the freed-then-reused memory during connection cleanup, leading to memory corruption, crashes, and potential integrity impact against any of the vast range of software that embeds libcurl. EPSS is low (0.21%, 11th percentile) and there is a referenced HackerOne report (#3916059) but no public exploit code and no CISA KEV listing; no public exploit identified at time of analysis.

Information Disclosure Use After Free Memory Corruption Curl Haxx
NVD VulDB
CVSS 3.1
9.1
EPSS
0.2%
CVE-2026-84324 Sep 02, 00:18 CRITICAL PATCH Act Now

Remote code execution in Google Chrome desktop before 152.0.7977.75 stems from a use-after-free in the Proxy component that a remote attacker can trigger with crafted network traffic to run arbitrary code OUTSIDE the browser sandbox. Google rates the Chromium severity High and a patched Stable channel build is available; no public exploit code has been identified at time of analysis. Because the flaw yields a sandbox escape rather than a contained renderer bug, successful exploitation gives attacker-controlled code on the host at browser-process privilege.

RCE Denial Of Service Google Use After Free Memory Corruption +1
NVD VulDB
CVSS 3.1
9.0
EPSS
0.3%
CVE-2026-82955 Sep 02, 14:43 CRITICAL Act Now

Improper certificate validation in the KrakenD-based API Gateway of Eclipse aeriOS allows a network man-in-the-middle to compromise bearer-token validation. The bundled KrakenD configuration hard-codes disable_jwk_security to true with no Helm override, so KrakenD skips TLS certificate verification (and in the shipped config fetched the JWKS over plaintext HTTP) when retrieving the JSON Web Key Set used to validate JWTs. Only pre-release development builds are affected; there is no public exploit identified at time of analysis and the flaw is not in CISA KEV.

Eclipse Aerios Eclipse Foundation
NVD GitHub
CVSS 4.0
9.0
EPSS
0.1%
CVE-2026-80256 Sep 02, 10:57 CRITICAL Act Now

Path traversal in wcurl for Windows allows a crafted URL containing percent-encoded backslashes to redirect a downloaded file to an attacker-controlled directory outside the user's intended destination. Affecting wcurl shipped with curl 8.14.0 through 8.21.0 and standalone wcurl 2024.12.08 through 2026.01.05, the flaw exploits Windows path-separator semantics: wcurl decodes %5C to a backslash, which Windows treats as a directory separator, causing file placement at an unintended filesystem path. No public exploit code and no active exploitation have been identified at time of analysis; vendor-released patches are available as of September 2, 2026.

Authentication Bypass Path Traversal OpenSSL Microsoft Suse
NVD

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