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EasyImage EUVDEUVD-2026-109623

| CVE-2026-116223 MEDIUM
Improper Privilege Management (CWE-269)
2026-10-26 VulDB GHSA-9f4j-8wcf-9rx4
5.5
CVSS 4.0 · Vendor: VulDB
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Attack ChainAIDerived

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

  1. Access
    Reach EasyImage del.php over network
  2. Exploit
    Craft request manipulating hash argument
  3. Execution
    Bypass improper privilege check
  4. Impact
    Delete or tamper with hosted files

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Target is the icret EasyImage (EasyImages2.0) endpoint app/del.php, specifically the 'hash' argument, reachable remotely; per the CVSS vector (PR:N/UI:N/AT:N) exploitation is unauthenticated against a network-exposed instance with no user interaction or special attack requirement. The principal limiting factor is impact scope, not access: confidentiality is unaffected (VC:N) and integrity/availability impact is Low (VI:L/VA:L), i.e. the flaw enables unauthorized file deletion/manipulation rather than data theft or code execution. Affected versions are up to and including 2.8.7; applying the vendor patch (commit b12cb67) is the stated remediation.

Impact

This is a moderate-severity, lower-priority issue by the combined signals, not a drop-everything emergency. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) describes a remotely reachable, low-complexity flaw needing no privileges or user interaction, but the impact is deliberately bounded: VC:N (no confidentiality loss) with only VI:L/VA:L, yielding a 6.9 base score consistent with improper privilege management (CWE-269) over a file-deletion function rather than code execution. The vuln.today Decision label is 'this_month', not act_now/emergency. It is NOT on CISA KEV and no EPSS score was supplied, so there is no evidence of active or widespread exploitation. The input provides a PoC gist marked 'reference only, not verified as working exploit code', and the CVSS carries E:P (proof-of-concept exploit maturity) - so treat exploitability as plausible but unproven, not weaponized. One data conflict to flag: the supplied commit diff (b12cb67) modifies admin/filer.php and admin/admin.inc.php (file-manager authentication and path hardening), not app/del.php named in the description - so the exact code fix for the del.php 'hash' flaw is not visible in the provided evidence and should be verified against the vendor commit.

Exploit ScenarioDerived

A remote, unauthenticated attacker sends a crafted request to app/del.php manipulating the 'hash' argument to exercise a deletion action they should not be authorized to perform, abusing the improper privilege check to remove or tamper with hosted files. A public PoC reference (gist) exists but is not verified as working exploit code, so a functional exploit may require reconstruction. Because the CVSS vector is AV:N/AC:L/PR:N/UI:N, no authentication, special timing, or victim interaction is needed, though impact is limited to integrity/availability of files (VC:N).

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available

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AnalysisAIv1 – Oct 26, 2026

Unauthenticated remote manipulation of the 'hash' argument handled by app/del.php in icret EasyImage (EasyImages2.0) through version 2.8.7 permits improper privilege management, letting an attacker perform unauthorized file deletion and manipulation on a network-exposed instance without any credentials or user interaction. Confidentiality is not affected and integrity/availability impact is rated Low, so the practical outcome is destructive file-level tampering rather than data theft or code execution. A public proof-of-concept reference has been published alongside the report; it is a reference only and is not verified as working exploit code, and no confirmed active exploitation has been reported.

RemediationAI

Apply the vendor patch referenced as commit b12cb67d447bcbb67e21c8f011d0f5638229760c (https://github.com/icret/EasyImages2.0/commit/b12cb67d447bcbb67e21c8f011d0f5638229760c); the fix is available from the vendor, but no tagged release number beyond 2.8.7 is confirmed in the supplied data, so deployments pinned to a distribution package should track the upstream repository for the first release containing that commit. The commit's substantive changes - requiring an authenticated admin session before the file manager loads, restricting the file-browser root to the configured image storage directory instead of the site document root, and blocking PHP/PHTML/PHAR extensions from the browser - should be verified as present after deployment. Because exploitation is unauthenticated against a network-exposed instance, interim exposure reduction consists of limiting reachability of the administrative and deletion endpoints to trusted networks or authenticated reverse-proxy front-ends, with the trade-off that public upload/deletion workflows (for example API-driven clients) will need allow-listing to keep functioning. Priority is this_month: the combined signals indicate a moderate-severity, lower-priority issue rather than an emergency.

Affected VersionsENISA

EasyImage 2.8.3
EasyImage 2.8.1
EasyImage 2.8.5
EasyImage 2.8.0
EasyImage 2.8.7
EasyImage 2.8.6
EasyImage 2.8.2
EasyImage 2.8.4

Affected Packages

euvd easyimage no fix

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

EasyImage (repository icret/EasyImages2.0) is a PHP-based image hosting and file management application; the affected code path is the deletion handler app/del.php, where the 'hash' parameter is processed in a way that fails to enforce proper authorization, mapping to CWE-269 (Improper Privilege Management). The supplied sources do not describe the exact trigger mechanism inside del.php, so the precise sequence that bypasses the privilege check is not detailed in the available evidence; what is confirmed is that the argument is remotely reachable and that the assessed vector (AV:N/AC:L/PR:N/UI:N/AT:N) implies no authentication, no user interaction and no special attack precondition. The referenced fix commit b12cb67d447bcbb67e21c8f011d0f5638229760c concentrates on the administrative file manager (admin/filer.php and admin/admin.inc.php): it gates filer.php behind an is_who_login('admin') session check, narrows the file-browser root from the site document root to the configured image storage path, adds an ignore list that hides PHP/PHTML/PHAR and dotfiles, aligns accepted image extensions with the main configuration, removes remote-URL upload and zip/unzip UI actions, and adds HTML/JS context escaping for the user-controlled path parameter in redirects to prevent reflected XSS. These changes indicate the vulnerability class is missing authorization/privilege separation around file operations in the admin-facing PHP code rather than a memory-safety or injection primitive.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulDB) PRIMARY 5.5 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
vuln.today AI 6.5 MEDIUM

Remote, low-complexity, unauthenticated access to del.php (AV:N/AC:L/PR:N/UI:N); improper privilege management enables file deletion giving I:L/A:L, with no confidentiality exposure (C:N).

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
CVSS changed
Oct 26, 2026 - 07:22 NVD
6.9 (MEDIUM) 5.5 (MEDIUM)
CVE Published
Oct 26, 2026 - 06:15 cve.org
MEDIUM 6.9

DescriptionCVE.org

A flaw has been found in icret EasyImage up to 2.8.7. The impacted element is an unknown function of the file app/del.php. Executing a manipulation of the argument hash can lead to improper privilege management. The attack can be launched remotely. The exploit has been published and may be used. This patch is called b12cb67d447bcbb67e21c8f011d0f5638229760c. A patch should be applied to remediate this issue.

Threat Intelligence Overview

Prevalence
Low
niche open-source Chinese PHP image-hosting app, limited enterprise footprint
Exploit
POC
Public exploit code exists
Social Media
1
Sightings
Data Quality
6 sources
Confidence: High

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 Yes
EPSS N/A
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
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

48
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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