CVE-2026-32304
CVE-2026-32304 is a critical-severity vulnerability in Locutus with a CVSS 3.x base score of 9.8. 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-94.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-11718
- Weakness: CWE-94
- Affected product: Locutus
- Published:
- Last modified:
Description
Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to 3.0.14, the create_function(args, code) function passes both parameters directly to the Function constructor without any sanitization, allowing arbitrary code execution. This is distinct from CVE-2026-29091 which was call_user_func_array using eval() in v2.x. This finding affects create_function using new Function() in v3.x. This vulnerability is fixed in 3.0.14.
Frequently asked questions
- What is CVE-2026-32304?
- Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. Prior to 3.0.14, the create_function(args, code) function passes both parameters directly to the Function constructor without any sanitization, allowing arbitrary code execution. This is distinct from CVE-2026-29091 which was call_user_func_array using eval() in v2.x. This finding affects create_function using new Function() in v3.x. This vulnerability is fixed in 3.0.14.
- How severe is CVE-2026-32304?
- CVE-2026-32304 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-32304 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32304?
- CVE-2026-32304 affects Locutus. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-32304?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-32304 have an EU (EUVD) identifier?
- Yes. CVE-2026-32304 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11718.
- When was CVE-2026-32304 published?
- CVE-2026-32304 was published on 2026-03-13 and last updated on 2026-06-30.
References
- https://github.com/locutusjs/locutus/releases/tag/v3.0.14
- https://github.com/locutusjs/locutus/security/advisories/GHSA-vh9h-29pq-r5m8
- https://access.redhat.com/security/cve/CVE-2026-32304
- https://bugzilla.redhat.com/show_bug.cgi?id=2447200
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-32304.json
Affected products (1)
- cpe:2.3:a:locutus:locutus:*:*:*:*:*:node.js:*:*
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