Improper access control in OpenClaw - CVE-2026-33581
Published: April 8, 2026
Vulnerability identifier: #VU125232
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33581
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenClaw
Affected software:
OpenClaw
OpenClaw
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in src/infra/outbound/message-action-params.ts and src/infra/outbound/message-action-runner.ts when handling mediaUrl and fileUrl alias parameters. A remote user can supply crafted alias parameters to disclose sensitive information.
Exploitation requires the caller to be constrained to sandbox media roots.
How to mitigate CVE-2026-33581
Install security update from vendor's website.