CVE-2026-45003

Name: CVE-2026-45003
Creator: NVD / NIST
Published: 2026-05-11T18:16:40.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.1/10EPSS 0.10%

Last modified Jun 17, 2026

CVE-2026-45003 is a medium-severity vulnerability rated 4.1/10 on the CVSS scale. 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.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CVSS 4.0

4.1/10

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.10%

1.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-441

Affected Software

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.4.22

References

https://github.com/openclaw/openclaw/commit/0623079e98abf7202591f1b04a89755eb7ec9272Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-55cf-xx38-4p9pThird Party Advisory
https://www.vulncheck.com/advisories/openclaw-connector-endpoint-host-override-via-workspace-dotenv-filesPatch, Third Party Advisory

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-45003?

How severe is CVE-2026-45003?

CVE-2026-45003 has a CVSS score of 4.1/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.

How do I fix CVE-2026-45003?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-45003?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST