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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Openclaw — versions 0
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-xc7w-v5x6-cc87 (vendor-advisory, Third Party Advisory)
- github.com/openclaw/openclaw/commit/f836c385ffc746cb954e8ee409f99d079bfdcd2f (Patch, patch)
- github.com/openclaw/openclaw/commit/743f4b28495cdeb0d5bf76f6ebf4af01f6a02e5a (Patch, patch)
- www.vulncheck.com/advisories/openclaw-webhook-authentication-bypass-via-loopbac… (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.