CVE-2026-35646
CVE-2026-35646 · OpenClaw < 2026.3.25 - Pre-Authentication Rate-Limit Bypass in Webhook Token Validation
This page contains facts from public vulnerability sources. Check the original advisory before updating.
OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts, enabling attackers to guess weak tokens through rapid successive requests.
CVSS 6.3 · Medium · EPSS 0.2% · Fix available
- Published
- Updated
Stack: node
Affected products and versions
Original sources
- https://github.com/openclaw/openclaw/security/advisories/GHSA-mf5g-6r6f-ghhm
- https://github.com/openclaw/openclaw/commit/0b4d07337467f4d40a0cc1ced83d45ceaec0863c
- https://www.vulncheck.com/advisories/openclaw-pre-authentication-rate-limit-bypass-in-webhook-token-validation
- https://nvd.nist.gov/vuln/detail/CVE-2026-35646