{"id":"CVE-2026-35628","aliases":["GHSA-vcx4-4qxg-mfp4"],"url":"https://o3.security/vulnerability/CVE-2026-35628","summary":"OpenClaw < 2026.3.25 - Brute-Force Attack via Missing Telegram Webhook Rate Limiting","details":"OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in Telegram webhook authentication that allows attackers to brute-force weak webhook secrets. The vulnerability enables repeated authentication guesses without throttling, permitting attackers to systematically guess webhook secrets through brute-force attacks.","published":"2026-04-09T21:27:00.140Z","modified":"2026-07-15T01:48:52.685697935Z","cvss":null,"epss":{"score":0.00287,"percentile":0.20884,"asOf":"2026-08-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":null}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/c2c136ae9517ddd0789d742a0fdf4c10e8c729a7","label":"openclaw/openclaw@c2c136a"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35628.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-vcx4-4qxg-mfp4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35628"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-telegram-webhook-rate-limiting"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/c2c136ae9517ddd0789d742a0fdf4c10e8c729a7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:52.685697935Z"}}