How severe is CVE-2026-41387?

CVE-2026-41387 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41387?

CVE-2026-41387 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41387?

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-2026-41387 have an EU (EUVD) identifier?

Yes. CVE-2026-41387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26096.

When was CVE-2026-41387 published?

CVE-2026-41387 was published on 2026-04-28 and last updated on 2026-06-17.

CVE-2026-41387

CVE-2026-41387 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.8. 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-183.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26096
Weakness: CWE-183
Affected product: Openclaw
Published: 2026-04-28
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.

Frequently asked questions

What is CVE-2026-41387?: OpenClaw before 2026.3.22 contains an incomplete host environment variable sanitization vulnerability in host-env-security-policy.json and host-env-security.ts that allows package-manager environment overrides. Attackers can exploit approved exec requests to redirect package resolution or runtime bootstrap to attacker-controlled infrastructure and execute trojanized content.
How severe is CVE-2026-41387?: CVE-2026-41387 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41387?: CVE-2026-41387 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41387?: 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-2026-41387 have an EU (EUVD) identifier?: Yes. CVE-2026-41387 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26096.
When was CVE-2026-41387 published?: CVE-2026-41387 was published on 2026-04-28 and last updated on 2026-06-17.

References

Affected products (1)

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

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