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CVE-2026-116018EUVD-2026-109276GHSA-RQ5G-4M5J-8P36

ONEARMY community-platform before 2.165.2 IDOR via notification read endpoint

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.165.2
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

The ONEARMY community-platform software is affected by an access control flaw that lets any logged-in user mark other users' notifications as read. This can cause affected users to miss replies, comments, and notices about new content because their unread indicators are hidden.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

ONEARMY community-platform before 2.165.2 contains an insecure direct object reference vulnerability that allows authenticated users to mark other users' notifications as read via POST /api/notifications/:id/read. Attackers can iterate sequential notification IDs to suppress unread indicators of users in the same tenant, causing them to miss replies, comments and new-content notices.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • ONEARMY community-platform

    fixed in 2.165.2

References 7

GitHub · ONEARMY/community-platform

hackmd.io

vulncheck.com