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Description

OpenClaw before 2026.3.22 contains a policy confusion vulnerability in room authorization that matches colliding room names instead of stable room tokens. Attackers can exploit similarly named rooms to bypass allowlist policies and gain unauthorized access to protected Nextcloud Talk rooms.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-09 | Updated 2026-04-10 | Assigner VulnCheck




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-807 Reliance on Untrusted Inputs in a Security Decision

Product status

Default status
unaffected

Any version before 2026.3.22
affected

2026.3.22 (semver)
unaffected

Credits

Peng Zhou (@zpbrent) reporter

References

github.com/...enclaw/security/advisories/GHSA-xhq5-45pm-2gjr (GitHub Security Advisory (GHSA-xhq5-45pm-2gjr)) third-party-advisory

github.com/...ommit/630f1479c44f78484dfa21bb407cbe6f171dac87 (Patch Commit #1) patch

github.com/...ommit/a47722de7e3c9cbda8d5512747ca7e3bb8f6ee66 (Patch Commit #2) patch

www.vulncheck.com/...a-room-name-collision-in-nextcloud-talk (VulnCheck Advisory: OpenClaw < 2026.3.22 - Policy Confusion via Room Name Collision in Nextcloud Talk) third-party-advisory

cve.org (CVE-2026-35624)

nvd.nist.gov (CVE-2026-35624)

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