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.

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 setti…

EPSS: 0.000 (1.3th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw — versions 0, 2026.4.22

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

disclosure@vulncheck.com (vendor-advisory, Third Party Advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (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.