{"id":"GHSA-v8wv-jg3q-qwpq","summary":"OpenClaw's message tool media parameter bypasses tool policy filesystem isolation","details":"## Summary\n\nThe message tool accepted `mediaUrl` and `fileUrl` aliases without applying the same sandbox localRoots validation as the canonical media path handling.\n\n## Impact\n\nA caller constrained to sandbox media roots could read arbitrary local files by routing them through the alias parameters.\n\n## Affected Component\n\n`src/infra/outbound/message-action-params.ts, src/infra/outbound/message-action-runner.ts`\n\n## Fixed Versions\n\n- Affected: `\u003c 2026.3.24`\n- Patched: `\u003e= 2026.3.24`\n- Latest stable `2026.3.28` contains the fix.\n\n## Fix\n\nFixed by commit `1d7cb6fc03` (`fix: close sandbox media root bypass for mediaUrl/fileUrl aliases`).\n\nOpenClaw thanks @AntAISecurityLab for reporting.","aliases":["CVE-2026-33581"],"modified":"2026-04-06T17:57:35.035381Z","published":"2026-03-31T23:54:28Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2026-03-31T23:54:28Z","nvd_published_at":null,"cwe_ids":["CWE-22"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-v8wv-jg3q-qwpq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33581"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/1d7cb6fc03552bbba00e7cffb3aa9741f5556416"},{"type":"PACKAGE","url":"https://github.com/openclaw/openclaw"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-mediaurl-and-fileurl-parameters"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.24"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-v8wv-jg3q-qwpq/GHSA-v8wv-jg3q-qwpq.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}