How severe is CVE-2026-3384?

CVE-2026-3384 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-3384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3384?

CVE-2026-3384 affects Chaiscript. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3384?

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

Does CVE-2026-3384 have an EU (EUVD) identifier?

Yes. CVE-2026-3384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9119.

When was CVE-2026-3384 published?

CVE-2026-3384 was published on 2026-03-01 and last updated on 2026-06-17.

CVE-2026-3384

CVE-2026-3384 is a low-severity vulnerability in Chaiscript with a CVSS 3.x base score of 3.3. 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-404.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9119
Weakness: CWE-404
Affected product: Chaiscript
Published: 2026-03-01
Last modified: 2026-06-17

Description

A security vulnerability has been detected in ChaiScript up to 6.1.0. This impacts the function chaiscript::eval::AST_Node_Impl::eval/chaiscript::eval::Function_Push_Pop of the file include/chaiscript/language/chaiscript_eval.hpp. The manipulation leads to uncontrolled recursion. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-3384?: A security vulnerability has been detected in ChaiScript up to 6.1.0. This impacts the function chaiscript::eval::AST_Node_Impl::eval/chaiscript::eval::Function_Push_Pop of the file include/chaiscript/language/chaiscript_eval.hpp. The manipulation leads to uncontrolled recursion. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-3384?: CVE-2026-3384 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-3384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3384?: CVE-2026-3384 affects Chaiscript. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3384 have an EU (EUVD) identifier?: Yes. CVE-2026-3384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9119.
When was CVE-2026-3384 published?: CVE-2026-3384 was published on 2026-03-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chaiscript:chaiscript:*:*:*:*:*:*:*:*

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