Improper Authentication in OpenClaw - #VU128826
Published: May 1, 2026
Vulnerability identifier: #VU128826
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: N/A
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
OpenClaw
OpenClaw
Software vendor:
OpenClaw
OpenClaw
Description
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to improper authentication in Discord allowlist name/tag matching when processing slug-normalized Discord names and tags. A remote attacker can use a colliding user tag to bypass authorization checks.
Name-based allowlist entries can unintentionally match different Discord users after slug normalization.
Remediation
Install security update from vendor's website.