Vulnerability · Published Apr 23, 2026 · Assigned by VulnCheck

CVE-2026-41342OpenClaw < 2026.3.28 - Unauthenticated Discovery Endpoint Credential Exfiltration via Remote Onboarding

High 7.3

In plain English

A high-severity security flaw 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 0.1% (higher than 2% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.1%top 97.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

OpenClaw before 2026.3.28 contains an authentication bypass vulnerability in the remote onboarding component that persists unauthenticated discovery endpoints without explicit trust confirmation. Attackers can spoof discovery endpoints to redirect onboarding toward malicious gateways and capture gateway credentials or traffic.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.3.28	GHSA-3cw3-5vxw-g2h3

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.3.28

Weakness: CWE-346 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-3cw3-5vxw-g2h3) vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.3.28 - Unauthenticated Discovery Endpoint Credential Exfiltration via Remote Onboarding third-party-advisory