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CVE-2026-31990 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.1 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CNA: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/openclaw/openclaw/commit/17ede52a4be3034f6ec4b883ac6b81ad0101558a	[email protected]	Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-cfvj-7rx7-fc7c	[email protected]	MitigationVendor Advisory
https://www.vulncheck.com/advisories/openclaw-symlink-traversal-in-stagesandboxmedia-destination	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-59	Improper Link Resolution Before File Access ('Link Following')	[email protected]

Affected Products

Product	Versions
openclaw openclaw	< 2026.3.2
CPE cpe:2.3:a:openclaw:openclaw::::::node.js::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 19, 2026	Initial Analysis	[email protected]
Mar 19, 2026	New CVE Received	[email protected]