What’s Vulnerable › Vulnerabilities

CVE-2026-32011: OpenClaw < 2026.3.2 - Slow-Request Denial of Service via Pre-Auth Webhook Body Parsing

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-19 · updated 2026-06-17
• Weakness: CWE-770

Description

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.

Affected products

• OpenClaw: before 2026.3.2 — fixed in 2026.3.2

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.2. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/commit/d3e8b17aa6432536806b4853edc7939d891d0f25
• https://github.com/openclaw/openclaw/security/advisories/GHSA-x4vp-4235-65hg
• https://www.vulncheck.com/advisories/openclaw-slow-request-denial-of-service-via-pre-auth-webhook-body-parsing

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