Is CVE-2026-4040 in the CISA KEV catalog?

No. CVE-2026-4040 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-4040?

CVE-2026-4040 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2026-4040?

CVE-2026-4040 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4040?

Upgrade openclaw to 2026.2.19 or later.

CVE & CISA-KEV Catalog

CVE-2026-4040

LOW

3.3

CVSS v3

NVD

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.

CWE-200Information Exposure CWE-203

How to fix

Remediation Available

openclawNVD

Affected:>= 2026.2.0, < 2026.2.19Fixed in:2026.2.19CVE-2026-4040derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Third-Party Advisory2

Release Notes1

github.com

VDB Entry1

vuldb.com

Product1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-16.