CVE-2026-42429

medium

Description

OpenClaw before 2026.4.8 contains a privilege escalation vulnerability in the gateway plugin HTTP authentication mechanism that widens identity-bearing operator.read requests into 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

https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-gateway-plugin-http-authentication

https://github.com/openclaw/openclaw/security/advisories/GHSA-4f8g-77mw-3rxc

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5

Details

Source: Mitre, NVD

Published: 2026-04-28

Updated: 2026-04-28

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:C/A:N

Severity: High

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Severity: High

CVSS v4

Base Score: 6

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

Severity: Medium