CVEvulnerability
CVE-2026-35626
6.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-04-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-405
Description
OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provider signature checks. Attackers can send large or malicious webhook requests to exhaust server resources without authentication by bypassing signature validation.
Affected configurations
• openclaw openclaw (< 2026.3.22)
Related
Weakness · CWE (1)
- CWE-405 Asymmetric Resource Consumption (Amplification) weakness
References
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 Patch
- https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook Third Party Advisory