{"id":"CVE-2026-41397","aliases":["EUVD-2026-26105","GHSA-cwf8-44x6-32c2"],"status":"published","title":"OpenClaw \u003c 2026.3.31 - Sandbox Escape via Unrestricted File Sync and Symlink Traversal","description":"OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by crafting malicious symlinks in mirror sync operations to access arbitrary files outside intended boundaries.","severity":{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00471,"percentile":0.41018,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-434","CWE-59"],"published":"2026-04-03T02:49:14Z","modified":"2026-10-28T02:30:35Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.3.31"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2026.3.28"},{"fixed":"2026.3.31"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.31"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-cwf8-44x6-32c2","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/c02ee8a3a4cb390b23afdf21317aa8b2096854d1","tags":["patch","Patch","fix","web"]},{"url":"https://github.com/openclaw/openclaw/commit/3b9dab0ece4643a9643e6a45459f5c709d3ce320","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-unrestricted-file-sync-and-symlink-traversal","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/releases/tag/v2026.3.31","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41397","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cwf8-44x6-32c2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41397.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41397","title":"OpenClaw \u003c 2026.3.31 - Sandbox Escape via Unrestricted File Sync and Symlink Traversal","description":"OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by crafting malicious symlinks in mirror sync operations to access arbitrary files outside intended boundaries.","status":"published","published":"2026-04-28T18:09:56.314Z","modified":"2026-04-29T15:11:05.883Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-26105","description":"OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by crafting malicious symlinks in mirror sync operations to access arbitrary files outside intended boundaries.","status":"published","published":"2026-04-28T18:09:56Z","modified":"2026-04-29T15:11:05Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:05:19.555165Z"}],"ghsa":[{"id":"GHSA-cwf8-44x6-32c2","title":"OpenClaw: OpenShell Mirror Sync — Sandbox Escape via Unrestricted File Sync + Symlink Traversal","description":"## Summary\nOpenShell Mirror Sync: Sandbox Escape via Unrestricted File Sync + Symlink Traversal\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: high\n- Assessment: v2026.3.28 still has the mirror-boundary bug because shipped c02ee8 only excluded hooks while unreleased 3b9dab is the first full symlink-free upload and download hardening.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `c02ee8a3a4cb390b23afdf21317aa8b2096854d1` — 2026-03-25T19:59:07Z\n- `3b9dab0ece4643a9643e6a45459f5c709d3ce320` — 2026-03-30T14:51:44+01:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-03T02:49:14Z","modified":"2026-05-06T21:22:38Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-59","CWE-434"],"updated_at":"2026-11-02T14:40:02.883746Z"}],"nvd":[{"id":"CVE-2026-41397","description":"OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by crafting malicious symlinks in mirror sync operations to access arbitrary files outside intended boundaries.","status":"published","published":"2026-04-28T19:37:43.153Z","modified":"2026-06-17T10:46:39.437Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/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":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"primary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:16.252509Z"}],"osv":[{"id":"CVE-2026-41397","title":"OpenClaw \u003c 2026.3.31 - Sandbox Escape via Unrestricted File Sync and Symlink Traversal","description":"OpenClaw before 2026.3.31 contains a sandbox escape vulnerability allowing attackers to traverse directory boundaries through symlink exploitation during file synchronization operations. Remote attackers can bypass sandbox restrictions by crafting malicious symlinks in mirror sync operations to access arbitrary files outside intended boundaries.","status":"published","published":"2026-04-28T18:09:56.314Z","modified":"2026-10-28T02:30:35.666650611Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-cwf8-44x6-32c2","title":"OpenClaw: OpenShell Mirror Sync — Sandbox Escape via Unrestricted File Sync + Symlink Traversal","description":"## Summary\nOpenShell Mirror Sync: Sandbox Escape via Unrestricted File Sync + Symlink Traversal\n\n## Current Maintainer Triage\n- Status: narrow\n- Normalized severity: high\n- Assessment: v2026.3.28 still has the mirror-boundary bug because shipped c02ee8 only excluded hooks while unreleased 3b9dab is the first full symlink-free upload and download hardening.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Latest published npm version: `2026.3.31`\n- Vulnerable version range: `\u003c=2026.3.28`\n- Patched versions: `\u003e= 2026.3.31`\n- First stable tag containing the fix: `v2026.3.31`\n\n## Fix Commit(s)\n- `c02ee8a3a4cb390b23afdf21317aa8b2096854d1` — 2026-03-25T19:59:07Z\n- `3b9dab0ece4643a9643e6a45459f5c709d3ce320` — 2026-03-30T14:51:44+01:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-03T02:49:14Z","modified":"2026-05-06T21:42:52.346971Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-434","CWE-59"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}