How severe is CVE-2026-41336?

CVE-2026-41336 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-2026-41336 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-2026-41336?

CVE-2026-41336 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41336?

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-2026-41336 have an EU (EUVD) identifier?

Yes. CVE-2026-41336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25320.

When was CVE-2026-41336 published?

CVE-2026-41336 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-41336

CVE-2026-41336 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-829.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25320
Weakness: CWE-829
Affected product: Openclaw
Published: 2026-04-23
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.

Frequently asked questions

What is CVE-2026-41336?: OpenClaw before 2026.3.31 allows workspace .env files to override the OPENCLAW_BUNDLED_HOOKS_DIR environment variable, enabling loading of attacker-controlled hook code. Attackers can replace trusted default-on bundled hooks from untrusted workspaces to execute arbitrary code.
How severe is CVE-2026-41336?: CVE-2026-41336 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-2026-41336 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-2026-41336?: CVE-2026-41336 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41336?: 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-2026-41336 have an EU (EUVD) identifier?: Yes. CVE-2026-41336 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25320.
When was CVE-2026-41336 published?: CVE-2026-41336 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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