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GHSA-x4vp-4235-65hg
No affected components available
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.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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