CVE-2026-31990 OpenClaw < 2026.3.2 - Symlink Traversal in stageSandboxMedia Destination

What is CVE-2026-31990?

CVE-2026-31990 is a medium-severity path traversal vulnerability in Openclaw Openclaw, published on 19 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OpenClaw versions prior to 2026.3.2 contain a vulnerability in the stageSandboxMedia function in which it fails to validate destination symlinks during media staging, allowing writes to follow symlinks outside the sandbox workspace. Attackers can exploit this by placing symlinks in the media/inbound directory to overwrite arbitrary files on the host system outside sandbox boundaries.

Weakness: CWE-59

Which versions are affected by CVE-2026-31990?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-31990?

Upgrade openclaw to 2026.3.2 or later.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-31990 being exploited?

There is no known exploitation of CVE-2026-31990 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-cfvj-7rx7-fc7c, MINI-4r3q-49qx-xpxc.