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TI-2026-83821 Aliases CVE-2026-120429GHSA-w2c5-xppr-2hh6

Missing authorization in Camaleon CMS media controller

Priority LOW 31CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Camaleon CMS before 2.9.2 contains a missing authorization flaw (CWE-862) in Admin::MediaController. A low-privileged authenticated user can bypass the role-based Media permission to store files, read private media, and change other users' avatars.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

Description from the CNA

Camaleon CMS before 2.9.2 contains a missing authorization vulnerability in Admin::MediaController that allows low-privileged authenticated users to bypass the role-based Media permission. Attackers can POST to /admin/media/upload to store files, read private media via download_private_file, and use crop with saved_avatar to change other users' avatars.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00347 28th percentileScored 2026-11-07
Fix Fixed Camaleon CMS (owen2345): 2.9.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
owen2345Camaleon CMSbefore 2.9.22.9.2Patch availableCNA
  • Camaleon CMS Vendorowen2345 Affected before 2.9.2 Fixed in 2.9.2 Patch available CNA

Remediation

Upgrade Camaleon CMS to version 2.9.2, which fixes this flaw.

Written with Claude Haiku 5.5 from the sources below · 2026-11-02

  • Fix · CNA Camaleon CMS (owen2345) Fixed in 2.9.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    owen2345 Camaleon CMS 2.9.2

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-83822 Camaleon CMS category IDOR lets users edit other categoriesPriority LOW 24
    Show all 2 records →

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-120429
  2. 2026-11-02 CISA SSVC decision points changed
  3. 2026-11-02 Priority changed: MEDIUM → LOW
  4. 2026-11-02 Alias added: GHSA-w2c5-xppr-2hh6

References

Patch 2

Other 2

  • TI-2023-14148 Camaleon CMS v2.7.0 was discovered to contain a Server-Side Template Injection (SSTI)… CVSS 3.1CRITICAL 9.8
  • TI-2024-31375 Arbitrary file write leading to RCE in Camaleon CMS CVSS 3.1CRITICAL 10.0
  • TI-2026-47396 Camaleon CMS 2.1.1 - 2.9.1 Authenticated RCE via select_eval Custom Field CVSS 4.0HIGH 8.7
  • TI-2021-07976 Camaleon CMS - Insufficient Session Expiration after Password Change CVSS 3.1HIGH 8.8
  • TI-2024-31376 Arbitrary path traversal in Camaleon CMS CVSS 3.1HIGH 7.7
  • TI-2026-51449 CamaleonCMS Missing Authorization via Plugin Administration Endpoints CVSS 4.0HIGH 7.2
See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences