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CVE-2026-35624: OpenClaw: Nextcloud Talk room allowlist matched colliding room names instead of stable room tokens

March 26, 2026 (updated April 18, 2026)

Nextcloud Talk room authorization matched on collidable room names instead of the stable room token, allowing policy confusion across similarly named rooms.

References

  • github.com/advisories/GHSA-xhq5-45pm-2gjr
  • github.com/openclaw/openclaw
  • github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
  • github.com/openclaw/openclaw/commit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66
  • github.com/openclaw/openclaw/security/advisories/GHSA-xhq5-45pm-2gjr
  • nvd.nist.gov/vuln/detail/CVE-2026-35624
  • www.vulncheck.com/advisories/openclaw-policy-confusion-via-room-name-collision-in-nextcloud-talk

Code Behaviors & Features

Detect and mitigate CVE-2026-35624 with GitLab Dependency Scanning

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Affected versions

All versions before 2026.3.22

Fixed versions

  • 2026.3.22

Solution

Upgrade to version 2026.3.22 or above.

Impact 4.2 MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-639: Authorization Bypass Through User-Controlled Key
  • CWE-807: Reliance on Untrusted Inputs in a Security Decision
  • CWE-863: Incorrect Authorization

Source file

npm/openclaw/CVE-2026-35624.yml

Spotted a mistake? Edit the file on GitLab.

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