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Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-09 | Updated 2026-04-13 | Assigner VulnCheck




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-288: Authentication Bypass Using an Alternate Path or Channel

Product status

Default status
unaffected

Any version before 2026.3.25
affected

2026.3.25 (semver)
unaffected

Credits

Peng Zhou (@zpbrent) reporter

References

github.com/...enclaw/security/advisories/GHSA-mw7w-g3mg-xqm7 (GitHub Security Advisory (GHSA-mw7w-g3mg-xqm7)) third-party-advisory

github.com/...ommit/f8c98630785288cc1f1d0893503ef3b653a3cede (Patch Commit) patch

www.vulncheck.com/...oup-reactions-via-requiremention-bypass (VulnCheck Advisory: OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass) third-party-advisory

cve.org (CVE-2026-35642)

nvd.nist.gov (CVE-2026-35642)

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