{"id":"CVE-2026-28476","aliases":["GHSA-pg2v-8xwh-qhcc"],"url":"https://o3.security/vulnerability/CVE-2026-28476","summary":"OpenClaw < 2026.2.14 - Server-Side Request Forgery in Tlon Extension Authentication","details":"OpenClaw versions prior to 2026.2.14 contain a server-side request forgery vulnerability in the optional Tlon Urbit extension that accepts user-provided base URLs for authentication without proper validation. Attackers who can influence the configured Urbit URL can induce the gateway to make HTTP requests to arbitrary hosts including internal addresses.","published":"2026-03-05T21:59:51.454Z","modified":"2026-08-07T11:50:51.214131141Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.2.14"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1","label":"openclaw/openclaw@bfa7d21"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28476.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-pg2v-8xwh-qhcc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28476"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-tlon-extension-authentication"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:51.214131141Z"}}