Vulnerability · Published May 11, 2026 · Assigned by VulnCheck
CVE-2026-45003OpenClaw < 2026.4.22 - Connector Endpoint Host Override via Workspace dotenv Files
Medium 5.0
In plain English
A medium-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 1% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.1%top 98.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.4.22 allows workspace dotenv files to override connector endpoint hosts for Matrix, Mattermost, IRC, and Synology connectors. Attackers with workspace access can redirect runtime traffic to malicious endpoints by setting endpoint variables in dotenv files.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.4.22 | GHSA-55cf-xx38-4p9p |
Affected products (as reported)
Weakness: CWE-441 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
References
- GitHub Security Advisory (GHSA-55cf-xx38-4p9p) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.4.22 - Connector Endpoint Host Override via Workspace dotenv Files third-party-advisory