CVE-2026-42429

HIGH

OpenClaw < 2026.4.8 - Privilege Escalation via Gateway Plugin HTTP Authentication

Title source: cna
STIX 2.1

Description

OpenClaw before 2026.4.8 contains a privilege escalation vulnerability in the gateway plugin HTTP authentication mechanism that escalates identity-bearing operator.read requests to runtime operator.write permissions. Attackers can exploit this by sending read-scoped requests through the gateway auth route to gain unauthorized write access to runtime operations.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-4f8g-77mw-3rxc)
https://github.com/openclaw/openclaw/security/advisories/GHSA-4f8g-77mw-3rxc
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.4.8 - Privilege Escalation via Gateway Plugin HTTP Authentication
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-gateway-plugin-http-authentication

Scores

CVSS v3 7.1
EPSS 0.0024
EPSS Percentile 14.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (4)
npm/openclaw 0 - 2026.4.8npm
OpenClaw/OpenClaw < 2026.4.8
openclaw/openclaw < 2026.4.8
OpenClaw/OpenClaw 2026.4.8
Published Apr 28, 2026
Tracked Since Apr 29, 2026