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Google Chrome EUVDEUVD-2026-89161

| CVE-2026-95361 MEDIUM
Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441)
2026-09-23 vendor:ubuntu GHSA-f7c2-jg68-74fm
Medium
Disputed · 4.3 Vendor: vendor:ubuntu
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Lure victim to malicious web page
  2. Exploit
    Serve crafted content to Chrome
  3. Execution
    Trigger patched browser flaw
  4. Impact
    Achieve impact in browser context

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service Proxy/intermediary controls
Exploitation Conditions

Exploitation prerequisites cannot be extracted because the CVE description, CWE, and CVSS vector are entirely absent from the provided data. Based only on the product identity (Google Chrome desktop, stable channel), the realistic limiting factor is that a typical browser vulnerability requires the victim to load attacker-controlled web content in a vulnerable, unpatched Chrome version; the specific feature, protocol, or configuration required is unknown and must be confirmed against the Chrome Releases advisory once details are published.

Impact

This entry carries almost no analytical signal: no description, no CVSS score or vector, no CWE, no EPSS probability, no KEV listing, and no public POC. The only concrete data points are (1) a patch is available from the vendor and (2) the sole reference is Google's Chrome Releases 'Stable Channel Update for Desktop' blog post dated September 2026, with the CVE reported via vendor:ubuntu. From the reference alone this is confirmably a Google Chrome desktop stable-channel vulnerability fixed in a routine stable update, but the specific component and vulnerability class cannot be determined. Real-world risk cannot be quantified from the provided data - with no CVSS vector, no EPSS, and no KEV entry, exploitation probability and severity are indeterminate. However, Chrome's near-ubiquitous deployment and its status as a primary attack surface for drive-by/web-based exploitation mean that browser bugs of this type are routinely patched with urgency, and Chrome vulnerabilities are historically among the most exploited software once details or patches are public. Treat as standard-priority browser patching: apply the vendor update promptly. Note explicitly: severity/vector are MISSING from input and must be confirmed against the Chrome Releases advisory and NVD once populated - do not assume low risk merely because scoring is absent.

Exploit ScenarioDerived

Consistent with typical Chrome stable-channel fixes, a victim would most plausibly be compromised by visiting or being redirected to an attacker-controlled web page that triggers the flaw in the browser (renderer/engine component), though the exact mechanism is unknown from available data. No public exploit code is identified for this CVE at time of analysis, and no active exploitation is confirmed. The specific attack technique cannot be described because the description, CWE, and CVSS vector are all missing.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 24, 2026

Google Chrome on the stable desktop channel is the affected product in CVE-2026-95361, an entry for which a vendor fix is indicated as available via a Chrome Releases stable-channel update. The intelligence record is unusually thin: no description, no CVSS score or vector, no CWE, no CPE, no EPSS probability and no CISA KEV listing were supplied, so the specific defect class, attack vector and privilege requirements cannot be stated. No public exploit code has been identified at time of analysis, and the Ubuntu vendor attribution plus the Chrome Releases advisory reference indicate this is a coordinated upstream-then-distributor patch flow rather than an actively exploited event.

RemediationAI

Patch available per vendor advisory: apply the Chrome stable-channel update announced in the referenced Chrome Releases post (http://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html) and confirm the installed build matches the version it lists, since no exact fix version was supplied in the intelligence feed. On managed fleets, force the update through enterprise policy and require a browser restart, because Chrome applies many updates only after all processes exit. Ubuntu users tracked under the 'vendor:ubuntu' report should reinstall or upgrade the Chromium/Chrome package through the normal apt or snap channel after the Ubuntu security team rebases on the upstream fix. Because the vulnerability class is unknown, no targeted workaround can be recommended with confidence; the only defensible interim controls are browser-level hardening such as disabling unused extensions, enforcing site isolation, blocking untrusted content via enterprise URL filtering, and running the browser in a restricted or throwaway profile - each of which reduces exposure but none of which removes the underlying flaw. Prioritize the update over any compensating control.

Affected VersionsENISA

Chrome 154.0.8037.57 <154.0.8037.57

Affected Packages

euvd chrome fix: 154.0.8037.57

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The affected technology is the Google Chrome desktop browser, specifically the stable release channel, and by extension the Chromium-derived packages that Ubuntu ships and tracks through its own security process (indicated by the 'vendor:ubuntu' reporter). Because no CWE is provided, the root-cause class cannot be named: it could be a memory-safety defect in the renderer, a type-confusion or use-after-free in the JavaScript or Blink engine, a sandbox-escape in the browser process, or a logic flaw in a feature such as navigation, permissions or extensions. No CPE strings were supplied, so the exact product/version tuple cannot be enumerated, and no EPSS or KEV signal is available to corroborate severity. In the absence of a CVSS vector there is no basis to assert whether exploitation requires unauthenticated or authenticated position, or whether user interaction such as visiting a crafted page is required; the only sound inference from the product identity is that browser flaws of this kind typically require the victim to render attacker-controlled web content in a vulnerable, unpatched build.

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Severity by source

Sources disagree (Medium–Critical)
Vendor (vendor:ubuntu) PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
SUSE CRITICAL

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorVendor: vendor:ubuntu

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
CVSS changed
Sep 30, 2026 - 17:22 NVD
4.3 (MEDIUM)
CVE Published
Sep 23, 2026 - 00:00 cve.org
MEDIUM

DescriptionCVE.org

[Unknown description]

Threat Intelligence Overview

EPSS Score
0.3%
Top 83% exploitable
Prevalence
Ubiquitous
Google Chrome is among the most widely deployed desktop browsers worldwide
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
High

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed
SUSE Package Hub 15 SP7 Affected

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