Vulnerability · Published Mar 19, 2026 · Assigned by VulnCheck

CVE-2026-32031OpenClaw < 2026.2.26 - Authentication Bypass via Path Canonicalization Mismatch in /api/channels Gateway

Medium 4.8

In plain English

A medium-severity authentication bypass in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.8Medium

Exploit odds (30 days)0.2%top 89.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

OpenClaw versions prior to 2026.2.26 server-http contains an authentication bypass vulnerability in gateway authentication for plugin channel endpoints due to path canonicalization mismatch between the gateway guard and plugin handler routing. Attackers can bypass authentication by sending requests with alternative path encodings to access protected plugin channel APIs without proper gateway authentication.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.2.26	GHSA-8j2w-6fmm-m587

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.2.26

Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

References

GitHub Security Advisory (GHSA-8j2w-6fmm-m587) vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.2.26 - Authentication Bypass via Path Canonicalization Mismatch in /api/channels Gateway third-party-advisory