What is CVE-2026-29613?

CVE-2026-29613 is a medium-severity vulnerability in Openclaw, classified under Missing Authentication for Critical Function. CVSS score: 5.9/10. Published 2026-03-05.

How severe is CVE-2026-29613?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Openclaw

CVE-2026-29613

OpenClaw versions prior to 2026.2.12 contain a vulnerability in the BlueBubbles (optional plugin) webhook handler in which it authenticates requests based solely on loopback remoteAddress without validating forwarding headers, allowing bypass of configured webhook passwords. When the gateway operates behind a reverse proxy, unauthenticated remote attackers can inject arbitrary BlueBubbles message and reaction events by reaching the proxy endpoint.

Vulnerability class: Broken Authentication

EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (vendor-advisory, Third Party Advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-29613?: CVE-2026-29613 is a medium-severity vulnerability in Openclaw, classified under Missing Authentication for Critical Function. CVSS score: 5.9/10. Published 2026-03-05.
How severe is CVE-2026-29613?: Medium severity. CVSS v3 base score is 5.9 out of 10.