Input validation error in OpenClaw - #VU126436
Published: April 17, 2026
Vulnerability identifier: #VU126436
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-20
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 access host-local media references through a channel action path that expected normalized media.
The vulnerability exists due to improper input validation in Discord eventCreate.image handling when processing Discord event cover image parameters. A remote user can supply crafted event cover image parameters to access host-local media references through a channel action path that expected normalized media.
Remediation
Install security update from vendor's website.