CVE-2026-41344CWE-863

OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter

Medium · published April 23, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
31.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.00385 · 31.4th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-04-23T21:58Z
EPSS history
Timeline
  • 23 APR 21:58Z
    OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter
    cvelistv5