CVE-2026-32011
OpenClaw < 2026.3.2 - Slow-Request Denial of Service via Pre-Auth Webhook Body Parsing
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
12th
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.
| CWE | CWE-770 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Mar 19, 2026 |
| Last Updated | Mar 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
OpenClaw / OpenClaw
0 < 2026.3.2
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-x4vp-4235-65hg github.com: https://github.com/openclaw/openclaw/commit/d3e8b17aa6432536806b4853edc7939d891d0f25 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-slow-request-denial-of-service-via-pre-auth-webhook-body-parsing
Credits
🔍 Baozongwi'xd (@GCXWLP)