How severe is CVE-2026-41646?

CVE-2026-41646 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-41646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41646?

CVE-2026-41646 affects Projectdiscovery Nuclei. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41646?

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

Does CVE-2026-41646 have an EU (EUVD) identifier?

Yes. CVE-2026-41646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28499.

When was CVE-2026-41646 published?

CVE-2026-41646 was published on 2026-05-08 and last updated on 2026-06-17.

CVE-2026-41646

CVE-2026-41646 is a medium-severity vulnerability in Projectdiscovery Nuclei with a CVSS 3.x base score of 5.5. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-28499
Weakness: CWE-284
Affected product: Projectdiscovery Nuclei
Published: 2026-05-08
Last modified: 2026-06-17

Description

Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From version 3.0.0 to before version 3.8.0, a vulnerability in Nuclei's JavaScript protocol runtime allows JavaScript templates to read local .js and .json files through the require() function, bypassing the default local file access restriction. This issue has been patched in version 3.8.0.

Frequently asked questions

What is CVE-2026-41646?: Nuclei is a vulnerability scanner built on a simple YAML-based DSL. From version 3.0.0 to before version 3.8.0, a vulnerability in Nuclei's JavaScript protocol runtime allows JavaScript templates to read local .js and .json files through the require() function, bypassing the default local file access restriction. This issue has been patched in version 3.8.0.
How severe is CVE-2026-41646?: CVE-2026-41646 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-41646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41646?: CVE-2026-41646 affects Projectdiscovery Nuclei. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41646 have an EU (EUVD) identifier?: Yes. CVE-2026-41646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28499.
When was CVE-2026-41646 published?: CVE-2026-41646 was published on 2026-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:projectdiscovery:nuclei:*:*:*:*:*:go:*:*

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