What is CVE-2026-35642?

CVE-2026-35642 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2026-04-09.

How severe is CVE-2026-35642?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Openclaw

CVE-2026-35642

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 syste…

EPSS: 0.000 (10.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.3.25

Weakness classification (CWE)

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

References

GitHub Security Advisory (GHSA-mw7w-g3mg-xqm7) (third-party-advisory)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw < 2026.3.25 - Authorization Bypass in Group Reactions via requireMention Bypass (third-party-advisory)

Frequently asked questions

What is CVE-2026-35642?: CVE-2026-35642 is a medium-severity vulnerability in Openclaw, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 4.3/10. Published 2026-04-09.
How severe is CVE-2026-35642?: Medium severity. CVSS v3 base score is 4.3 out of 10.