How severe is CVE-2026-41338?

CVE-2026-41338 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-41338 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-2026-41338?

CVE-2026-41338 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41338?

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

Does CVE-2026-41338 have an EU (EUVD) identifier?

Yes. CVE-2026-41338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25322.

When was CVE-2026-41338 published?

CVE-2026-41338 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-41338

CVE-2026-41338 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-367.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
CVSS v4: 4.3
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25322
Weakness: CWE-367
Affected product: Openclaw
Published: 2026-04-23
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.

Frequently asked questions

What is CVE-2026-41338?: OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
How severe is CVE-2026-41338?: CVE-2026-41338 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-41338 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-2026-41338?: CVE-2026-41338 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41338 have an EU (EUVD) identifier?: Yes. CVE-2026-41338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25322.
When was CVE-2026-41338 published?: CVE-2026-41338 was published on 2026-04-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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