{"id":"CVE-2026-28454","aliases":["GHSA-fhvm-j76f-qmjv"],"url":"https://o3.security/vulnerability/CVE-2026-28454","summary":"OpenClaw < 2026.2.2 - Authorization Bypass via Unauthenticated Telegram Webhook","details":"OpenClaw versions prior to 2026.2.2 fail to validate webhook secrets in Telegram webhook mode (must be enabled), allowing unauthenticated HTTP POST requests to the webhook endpoint that trust attacker-controlled JSON payloads. Remote attackers can forge Telegram updates by spoofing message.from.id and chat.id fields to bypass sender allowlists and execute privileged bot commands.","published":"2026-03-05T21:59:31.848Z","modified":"2026-08-12T03:51:25.183390751Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.2.1"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/3cbcba10cf30c2ffb898f0d8c7dfb929f15f8930","label":"openclaw/openclaw@3cbcba1"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28454.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-fhvm-j76f-qmjv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28454"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-unauthenticated-telegram-webhook"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/3cbcba10cf30c2ffb898f0d8c7dfb929f15f8930"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/5643a934799dc523ec2ef18c007e1aa2c386b670"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/633fe8b9c17f02fcc68ecdb5ec212a5ace932f09"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/ca92597e1f9593236ad86810b66633144b69314d"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:25.183390751Z"}}