{"id":"CVE-2026-34505","aliases":["GHSA-5m9r-p9g7-679c"],"url":"https://o3.security/vulnerability/CVE-2026-34505","summary":"OpenClaw < 2026.3.12 - Webhook Rate Limiting Bypass via Pre-Authentication Secret Validation","details":"OpenClaw before 2026.3.12 applies rate limiting only after successful webhook authentication, allowing attackers to bypass rate limits and brute-force webhook secrets. Attackers can submit repeated authentication requests with invalid secrets without triggering rate limit responses, enabling systematic secret guessing and subsequent forged webhook submission.","published":"2026-03-31T11:17:20.769Z","modified":"2026-08-12T03:51:09.456675050Z","cvss":null,"epss":{"score":0.00272,"percentile":0.19023,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.3.12"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34505.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-5m9r-p9g7-679c"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34505"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-webhook-rate-limiting-bypass-via-pre-authentication-secret-validation"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:09.456675050Z"}}