Vulnerability · Published Apr 27, 2026 · Assigned by VulnCheck
CVE-2026-41364OpenClaw < 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload
High 8.1
In plain English
A high-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 54.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.3.31 | GHSA-fv94-qvg8-xqpw |
Affected products (as reported)
Weakness: CWE-59 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
References
- GitHub Security Advisory (GHSA-fv94-qvg8-xqpw) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.3.31 - Arbitrary File Write via Symlink Following in SSH Sandbox Tar Upload third-party-advisory