Vulnerability in Openclaw
CVE-2026-45003
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (3.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Openclaw — versions 0, 2026.4.22
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-55cf-xx38-4p9p (vendor-advisory, Third Party Advisory)
- github.com/openclaw/openclaw/commit/0623079e98abf7202591f1b04a89755eb7ec9272 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-connector-endpoint-host-override-via-work… (Patch, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-45003?
- CVE-2026-45003 is a medium-severity vulnerability in Openclaw, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 5.0/10. Published 2026-05-11.
- How severe is CVE-2026-45003?
- Medium severity. CVSS v3 base score is 5.0 out of 10.