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GHSA-p464-m8x6-vhv8
No affected components available
Summary
MS Teams webhook parses body before JWT validation, enabling unauthenticated resource exhaustion
Current Maintainer Triage
- Status: open
- Normalized severity: medium
- Assessment: v2026.3.28 still parses Teams JSON after only a Bearer-prefix gate and before real JWT validation, and the auth-before-parse fix is not yet shipped.
Affected Packages / Versions
- Package:
openclaw(npm) - Latest published npm version:
2026.3.31 - Vulnerable version range:
<=2026.3.28 - Patched versions:
>= 2026.3.31 - First stable tag containing the fix:
v2026.3.31
Fix Commit(s)
3834d47099dd13c8244ed6de8b9ea9855c553623— 2026-03-30T13:46:40+01:00
OpenClaw thanks @AntAISecurityLab for reporting.
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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