Vulnerability · Published Jun 12, 2026 · Assigned by VulnCheck

CVE-2026-53827OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.action Forwarding

Medium 6.5

In plain English

A medium-severity server-side request forgery 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 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.3%top 83.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

OpenClaw before 2026.5.2 contains a credential exposure vulnerability in message.action forwarding that allows model-controlled metadata to forward action payloads with Gateway credentials to attacker-supplied loopback URLs. Remote attackers can intercept Gateway tokens and action payloads by providing malicious loopback targets through model-controlled action metadata.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	openclaw	2026.5.2	GHSA-grc3-2j34-p6gm

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.5.2

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-grc3-2j34-p6gm) vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.5.2 - Credential Exposure via Model-Supplied Loopback URLs in message.action Forwarding third-party-advisory