medium5.3
CVE-2026-35626
OpenClaw before 2026.3.22 contains an unauthenticated resource exhaustion vulnerability in voice call webhook handling that buffers request bodies before provi…
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | openclaw | < 2026.3.22 | 2026.3.22 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openclaw | Openclaw | before 2026.3.22 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-rm59-992w-x2mv
- https://github.com/openclaw/openclaw/security/advisories/GHSA-rm59-992w-x2mv
- https://github.com/openclaw/openclaw/commit/651dc7450b68a5396a009db78ef9382633707ead
- https://nvd.nist.gov/vuln/detail/CVE-2026-35626
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87
- https://www.vulncheck.com/advisories/openclaw-unauthenticated-resource-exhaustion-via-voice-call-webhook