CVE-2026-41344 MEDIUM

CVE-2026-41344: OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter

Vendor Openclaw
Product OpenClaw
Weakness CWE-863 · Incorrect authorization
Published April 23, 2026
Last update April 24, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the chat.send endpoint that allows write-scoped gateway callers to persist admin-only verboseLevel session overrides. Attackers can exploit the /verbose parameter to bypass access controls and expose sensitive reasoning or tool output intended to be restricted to administrators.

Key dates

02Disclosure timeline

April 23, 2026 CVE published
April 24, 2026 Record updated

Related vulnerabilities

04Related CVE