Resource exhaustion in Openclaw
CVE-2026-32011
OpenClaw versions prior to 2026.3.2 contain a denial of service vulnerability in webhook handlers for BlueBubbles and Google Chat that parse request bodies before performing authentication and signature validation. Unauthenticated attackers can exploit this by sending slow or oversized request bodies to exhaust parser resources and degrade service availability.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (52.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.3% 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: 0.007 · change: +0.003
Affected products
- Openclaw — versions 0, 2026.3.2
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-x4vp-4235-65hg (vendor-advisory, Mitigation, Vendor Advisory, third-party-advisory)
- github.com/openclaw/openclaw/commit/d3e8b17aa6432536806b4853edc7939d891d0f25 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-slow-request-denial-of-service-via-pre-au… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-32011?
- CVE-2026-32011 is a high-severity vulnerability in Openclaw, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-03-19.
- How severe is CVE-2026-32011?
- High severity. CVSS v3 base score is 7.5 out of 10.