#VU125118 Link following in OpenClaw - CVE-2026-31990

 

#VU125118 Link following in OpenClaw - CVE-2026-31990

Published: April 8, 2026


Vulnerability identifier: #VU125118
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-31990
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenClaw
Software vendor:
OpenClaw

Description

The vulnerability allows a remote attacker to overwrite files outside the sandbox workspace.

The vulnerability exists due to improper link resolution before file access in stageSandboxMedia when handling inbound files during media staging. A remote attacker can place or leverage a symlink in the destination path to overwrite files outside the sandbox workspace.

The issue affects destination writes under media/inbound that follow symlinks outside the intended sandbox workspace boundary.


Remediation

Install security update from vendor's website.

External links