RCE in Openclaw
CVE-2026-44109
OpenClaw before 2026.4.15 contains an authentication bypass vulnerability in Feishu webhook and card-action validation that allows unauthenticated requests to reach command dispatch. Missing encryptKey configuration and blank callback tokens fail open instead of rejecting requests, enabling attackers to bypass signature verification and replay protection to execute arbitrary commands.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.011 · change: +0.004
Affected products
- Openclaw — versions 0, 2026.4.15
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/openclaw/openclaw/commit/c8003f1b33ed2924be5f62131bd28742c5a41aae (Patch, patch)
- github.com/openclaw/openclaw/security/advisories/GHSA-xh72-v6v9-mwhc (vendor-advisory, Mitigation, Vendor Advisory)
- www.vulncheck.com/advisories/openclaw-authentication-bypass-in-feishu-webhook-a… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-44109?
- CVE-2026-44109 is a critical-severity vulnerability in Openclaw, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2026-05-06.
- How severe is CVE-2026-44109?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2026-44109 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.