CVE-2026-41364: OpenClaw < 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-07-24
Weakness: CWE-59

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.

Affected products

OpenClaw: before 2026.3.31 — fixed in 2026.3.31

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.31. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/3d5af14984ac1976c747a8e11581d697bd0829dc
https://github.com/openclaw/openclaw/security/advisories/GHSA-fv94-qvg8-xqpw
https://www.vulncheck.com/advisories/openclaw-arbitrary-file-write-via-symlink-following-in-ssh-sandbox-tar-upload

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