{"id":"CVE-2026-41364","aliases":["EUVD-2026-25944","GHSA-fv94-qvg8-xqpw"],"status":"published","title":"OpenClaw \u003c 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload","description":"OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.","severity":{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00533,"percentile":0.45346,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-59","CWE-61"],"published":"2026-04-02T21:23:32Z","modified":"2026-10-28T02:30:25Z","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-fv94-qvg8-xqpw","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/3d5af14984ac1976c747a8e11581d697bd0829dc","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-symlink-following-in-ssh-sandbox-tar-upload","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-2026-41364","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fv94-qvg8-xqpw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41364.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-41364","title":"OpenClaw \u003c 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload","description":"OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.","status":"published","published":"2026-04-27T23:24:27.866Z","modified":"2026-04-29T14:05:55.863Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T13:41:08.498858Z"}],"euvd":[{"id":"EUVD-2026-25944","description":"OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.","status":"published","published":"2026-04-27T23:24:27Z","modified":"2026-04-29T14:05:55Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:05:19.922616Z"}],"ghsa":[{"id":"GHSA-fv94-qvg8-xqpw","title":"OpenClaw: SSH sandbox tar upload follows symlinks, enabling arbitrary file write on remote host","description":"## Summary\nSSH sandbox tar upload follows symlinks, enabling arbitrary file write on remote host\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: high\n- Assessment: Real in shipped v2026.3.28: SSH sandbox tar upload lacked pre-upload symlink escape rejection until 3d5af14984 on 2026-03-31; maintainers already accepted it and the fix is unreleased.\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- `3d5af14984ac1976c747a8e11581d697bd0829dc` — 2026-03-31T19:56:45+09:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-02T21:23:32Z","modified":"2026-05-06T19:11:32Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-59","CWE-61"],"updated_at":"2026-11-02T14:40:02.883746Z"}],"nvd":[{"id":"CVE-2026-41364","description":"OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.","status":"published","published":"2026-04-28T00:16:25.41Z","modified":"2026-07-24T21:10:00.143Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/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":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T14:12:16.252509Z"}],"osv":[{"id":"CVE-2026-41364","title":"OpenClaw \u003c 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload","description":"OpenClaw before 2026.3.31 contains a symlink following vulnerability in SSH sandbox tar upload that allows remote attackers to write arbitrary files. Attackers can exploit this by uploading tar archives containing symlinks to escape the sandbox and overwrite files on the remote host.","status":"published","published":"2026-04-27T23:24:27.866Z","modified":"2026-10-28T02:30:25.869520523Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T15:45:03.764807Z"},{"id":"GHSA-fv94-qvg8-xqpw","title":"OpenClaw: SSH sandbox tar upload follows symlinks, enabling arbitrary file write on remote host","description":"## Summary\nSSH sandbox tar upload follows symlinks, enabling arbitrary file write on remote host\n\n## Current Maintainer Triage\n- Status: open\n- Normalized severity: high\n- Assessment: Real in shipped v2026.3.28: SSH sandbox tar upload lacked pre-upload symlink escape rejection until 3d5af14984 on 2026-03-31; maintainers already accepted it and the fix is unreleased.\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- `3d5af14984ac1976c747a8e11581d697bd0829dc` — 2026-03-31T19:56:45+09:00\n\nOpenClaw thanks @AntAISecurityLab for reporting.","status":"published","published":"2026-04-02T21:23:32Z","modified":"2026-05-06T19:26:29.099847Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","level":"high"},{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-59","CWE-61"],"updated_at":"2026-11-02T15:46:46.760785Z"}]}}