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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.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-27 | Updated 2026-04-29 | Assigner VulnCheck




HIGH: 7.2CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Problem types

CWE-59: Improper Link Resolution Before File Access ('Link Following')

Product status

Default status
unaffected

Any version before 2026.3.31
affected

2026.3.31 (semver)
unaffected

Credits

AntAISecurityLab reporter

References

github.com/...enclaw/security/advisories/GHSA-fv94-qvg8-xqpw (GitHub Security Advisory (GHSA-fv94-qvg8-xqpw)) vendor-advisory

github.com/...ommit/3d5af14984ac1976c747a8e11581d697bd0829dc (Patch Commit) patch

www.vulncheck.com/...ink-following-in-ssh-sandbox-tar-upload (VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload) third-party-advisory

cve.org (CVE-2026-41364)

nvd.nist.gov (CVE-2026-41364)

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