How severe is CVE-2026-41355?

CVE-2026-41355 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41355 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41355?

CVE-2026-41355 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41355?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-41355 have an EU (EUVD) identifier?

Yes. CVE-2026-41355 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25339.

When was CVE-2026-41355 published?

CVE-2026-41355 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-41355

CVE-2026-41355 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.3. 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-829.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v4: 5.4
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25339
Weakness: CWE-829
Affected product: Openclaw
Published: 2026-04-23
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.

Frequently asked questions

What is CVE-2026-41355?: OpenClaw before 2026.3.28 contains an arbitrary code execution vulnerability in mirror mode that converts untrusted sandbox files into workspace hooks. Attackers with mirror mode access can execute arbitrary code on the host during gateway startup by exploiting enabled workspace hooks.
How severe is CVE-2026-41355?: CVE-2026-41355 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41355 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41355?: CVE-2026-41355 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41355?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-41355 have an EU (EUVD) identifier?: Yes. CVE-2026-41355 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25339.
When was CVE-2026-41355 published?: CVE-2026-41355 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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