How severe is CVE-2026-4040?

CVE-2026-4040 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-4040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4040?

CVE-2026-4040 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4040?

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

Does CVE-2026-4040 have an EU (EUVD) identifier?

Yes. CVE-2026-4040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11565.

When was CVE-2026-4040 published?

CVE-2026-4040 was published on 2026-03-12 and last updated on 2026-06-17.

CVE-2026-4040

CVE-2026-4040 is a low-severity vulnerability in Openclaw with a CVSS 3.x base score of 3.3. 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-200.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 4.8
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11565
Weakness: CWE-200
Affected product: Openclaw
Published: 2026-03-12
Last modified: 2026-06-17

Description

A vulnerability was identified in OpenClaw up to 2026.2.17. This issue affects the function tools.exec.safeBins of the component File Existence Handler. The manipulation leads to information exposure through discrepancy. The attack needs to be performed locally. Upgrading to version 2026.2.19-beta.1 is capable of addressing this issue. The identifier of the patch is bafdbb6f112409a65decd3d4e7350fbd637c7754. Upgrading the affected component is advised.

Frequently asked questions

What is CVE-2026-4040?: A vulnerability was identified in OpenClaw up to 2026.2.17. This issue affects the function tools.exec.safeBins of the component File Existence Handler. The manipulation leads to information exposure through discrepancy. The attack needs to be performed locally. Upgrading to version 2026.2.19-beta.1 is capable of addressing this issue. The identifier of the patch is bafdbb6f112409a65decd3d4e7350fbd637c7754. Upgrading the affected component is advised.
How severe is CVE-2026-4040?: CVE-2026-4040 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-4040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4040?: CVE-2026-4040 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4040?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4040 have an EU (EUVD) identifier?: Yes. CVE-2026-4040 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11565.
When was CVE-2026-4040 published?: CVE-2026-4040 was published on 2026-03-12 and last updated on 2026-06-17.

References

Affected products (1)

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

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