Resource exhaustion in OpenClaw - CVE-2026-41408
Published: April 30, 2026
Vulnerability identifier: #VU128613
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-41408
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 attacker to cause a denial of service.
The vulnerability exists due to improper resource management in the Tlon media download handling path when downloading media through the bundled plugin path. A remote attacker can trigger media downloads that bypass core size, count, and cleanup limits to cause a denial of service.
This issue is limited to availability impact in a bundled plugin path.
How to mitigate CVE-2026-41408
Install security update from vendor's website.