{"id":"CVE-2026-32977","aliases":["EUVD-2026-17383","GHSA-xvx8-77m6-gwg6"],"status":"published","title":"OpenClaw \u003c 2026.3.11 - Sandbox Boundary Bypass via Unanchored writeFile Commit Path","description":"OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.","severity":{"version":"4.0","score":5.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00081,"percentile":0.0018,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367"],"published":"2026-03-13T15:47:15Z","modified":"2026-10-28T02:30:26Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.11"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.3.11"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.11"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-xvx8-77m6-gwg6","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-sandbox-boundary-bypass-via-unanchored-writefile-commit-path","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.11","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32977","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xvx8-77m6-gwg6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32977.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-32977","title":"OpenClaw \u003c 2026.3.11 - Sandbox Boundary Bypass via Unanchored writeFile Commit Path","description":"OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.","status":"published","published":"2026-03-31T11:17:18.684Z","modified":"2026-06-23T16:15:28.161Z","cvss":[{"version":"4.0","score":5.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:19:57.818032Z"}],"euvd":[{"id":"EUVD-2026-17383","description":"OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.","status":"published","published":"2026-03-31T11:17:18Z","modified":"2026-06-23T16:15:28Z","cvss":[{"version":"4.0","score":5.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:20:32.273921Z"}],"ghsa":[{"id":"GHSA-xvx8-77m6-gwg6","title":"OpenClaw: Sandbox `writeFile` commit could race outside the validated path","description":"## Summary\nIn affected versions of `openclaw`, the sandbox fs-bridge `writeFile` commit step used an unanchored container path during the final move into place. An attacker racing parent-path changes inside the sandbox could redirect the committed file outside the validated sandbox path.\n\n## Impact\nThis is a sandbox boundary bypass. In-sandbox code could win a time-of-check-time-of-use race and cause host-approved `writeFile` operations to land outside the validated writable path within the container mount namespace.\n\n## Affected Packages and Versions\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c 2026.3.11`\n- Fixed in: `2026.3.11`\n\n## Technical Details\nThe hardening work for anchored remove, rename, and mkdir operations did not fully cover the `writeFile` commit path. The final `mv` still used the raw target path, leaving a race window between safety revalidation and the in-container commit step.\n\n## Fix\nOpenClaw now anchors the `writeFile` commit path to the canonical parent directory before the final move. The fix shipped in `openclaw@2026.3.11`.\n\n## Workarounds\nUpgrade to `2026.3.11` or later.","status":"published","published":"2026-03-13T15:47:15Z","modified":"2026-04-06T22:45:34Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:39:48.966685Z"}],"nvd":[{"id":"CVE-2026-32977","description":"OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.","status":"published","published":"2026-03-31T12:16:29.66Z","modified":"2026-07-25T10:10:00.167Z","cvss":[{"version":"4.0","score":5.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:12.261218Z"}],"osv":[{"id":"CVE-2026-32977","title":"OpenClaw \u003c 2026.3.11 - Sandbox Boundary Bypass via Unanchored writeFile Commit Path","description":"OpenClaw before 2026.3.11 contains a sandbox boundary bypass vulnerability in the fs-bridge writeFile commit step that uses an unanchored container path during the final move operation. An attacker can exploit a time-of-check-time-of-use race condition by modifying parent paths inside the sandbox to redirect committed files outside the validated writable path within the container mount namespace.","status":"published","published":"2026-03-31T11:17:18.684Z","modified":"2026-10-28T02:30:26.85836812Z","cvss":[{"version":"4.0","score":5.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:45:01.548715Z"},{"id":"GHSA-xvx8-77m6-gwg6","title":"OpenClaw: Sandbox `writeFile` commit could race outside the validated path","description":"## Summary\nIn affected versions of `openclaw`, the sandbox fs-bridge `writeFile` commit step used an unanchored container path during the final move into place. An attacker racing parent-path changes inside the sandbox could redirect the committed file outside the validated sandbox path.\n\n## Impact\nThis is a sandbox boundary bypass. In-sandbox code could win a time-of-check-time-of-use race and cause host-approved `writeFile` operations to land outside the validated writable path within the container mount namespace.\n\n## Affected Packages and Versions\n- Package: `openclaw` (npm)\n- Affected versions: `\u003c 2026.3.11`\n- Fixed in: `2026.3.11`\n\n## Technical Details\nThe hardening work for anchored remove, rename, and mkdir operations did not fully cover the `writeFile` commit path. The final `mv` still used the raw target path, leaving a race window between safety revalidation and the in-container commit step.\n\n## Fix\nOpenClaw now anchors the `writeFile` commit path to the canonical parent directory before the final move. The fix shipped in `openclaw@2026.3.11`.\n\n## Workarounds\nUpgrade to `2026.3.11` or later.","status":"published","published":"2026-03-13T15:47:15Z","modified":"2026-04-06T23:12:30.302058Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:47:00.604718Z"}]}}