{"id":"CVE-2026-28459","aliases":["GHSA-64qx-vpxx-mvqf"],"url":"https://o3.security/vulnerability/CVE-2026-28459","summary":"OpenClaw < 2026.2.12 - Arbitrary File Write via Untrusted sessionFile Path","details":"OpenClaw versions prior to 2026.2.12 fail to validate the sessionFile path parameter, allowing authenticated gateway clients to write transcript data to arbitrary locations on the host filesystem. Attackers can supply a sessionFile path outside the sessions directory to create files and append data repeatedly, potentially causing configuration corruption or denial of service.","published":"2026-03-05T21:59:37.255Z","modified":"2026-08-17T03:55:01.558331856Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"openclaw","fixedVersion":"2026.2.12"}],"fix":{"url":"https://github.com/openclaw/openclaw/commit/25950bcbb8ba4d8cde002557f6e27c219ae4deda","label":"openclaw/openclaw@25950bc"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28459.json"},{"type":"ADVISORY","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-64qx-vpxx-mvqf"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28459"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-untrusted-sessionfile-path"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/25950bcbb8ba4d8cde002557f6e27c219ae4deda"},{"type":"FIX","url":"https://github.com/openclaw/openclaw/commit/4199f9889f0c307b77096a229b9e085b8d856c26"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T03:55:01.558331856Z"}}