Resource exhaustion in OpenClaw - CVE-2026-29612
Published: May 4, 2026
Vulnerability identifier: #VU129460
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-29612
CWE-ID: CWE-400
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 cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in base64-backed media input handling when decoding oversized base64 media payloads. A remote user can supply an oversized base64 payload to cause a denial of service.
In recommended deployments, exploitation is best modeled against authorized access to the gateway HTTP endpoints.
How to mitigate CVE-2026-29612
Install security update from vendor's website.