AI agent vulnerability · OpenClaw

CVE-2026-32011: OpenClaw has pre-auth webhook body parsing that can enable unauthenticated slow-request DoS

mediumCVSS 4.0 6.9 · 3.1 7.5GHSA-x4vp-4235-65hg

Impact OpenClaw webhook handlers for BlueBubbles and Google Chat accepted and parsed request bodies before authentication and signature checks on vulnerable releases. This allowed unauthenticated clients to hold parser work open with slow/oversized request bodies and degrade availability (slow-request DoS).

Published Mar 3, 2026 · Updated Mar 20, 2026

Affected packages

openclaw

Ecosystem: npm
Affected: <= 2026.3.1
Fixed in: 2026.3.2
Check: npm ls openclaw

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

Impact

OpenClaw webhook handlers for BlueBubbles and Google Chat accepted and parsed request bodies before authentication and signature checks on vulnerable releases. This allowed unauthenticated clients to hold parser work open with slow/oversized request bodies and degrade availability (slow-request DoS).

Affected Packages / Versions

Package: openclaw (npm)
Affected releases: <= 2026.3.1
Latest published vulnerable version at triage time: 2026.3.1 (npm)
Fixed release: 2026.3.2 (released)

Fix Commit(s)

d3e8b17aa6432536806b4853edc7939d891d0f25

Mitigation

Upgrade to 2026.3.2 (or newer). The fix enforces auth-before-body for affected webhook paths, adds strict pre-auth body/time budgets, and introduces shared in-flight/request guardrails with regression coverage.

Credited to GCXWLP.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

More OpenClaw vulnerabilities

All OpenClaw entries