How severe is CVE-2026-45003?

CVE-2026-45003 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-45003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-45003?

CVE-2026-45003 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-45003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-45003 have an EU (EUVD) identifier?

Yes. CVE-2026-45003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29148.

When was CVE-2026-45003 published?

CVE-2026-45003 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-45003

CVE-2026-45003 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-441.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v4: 4.1
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29148
Weakness: CWE-441
Affected product: Openclaw
Published: 2026-05-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-45003?: CVE-2026-45003 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-45003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45003?: CVE-2026-45003 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-45003 have an EU (EUVD) identifier?: Yes. CVE-2026-45003 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29148.
When was CVE-2026-45003 published?: CVE-2026-45003 was published on 2026-05-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

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