Vulnerability in Chaiscript
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (7.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Chaiscript
- Chaiscript — versions 6.0, 6.1.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/ChaiScript/ChaiScript/issues/633 (issue-tracking, Issue Tracking)
- github.com/ChaiScript/ChaiScript/issues/633 (issue-tracking, exploit, Issue Tracking)
- github.com/ChaiScript/ChaiScript/ (Product, product)
Frequently asked questions
- What is CVE-2026-3384?
- CVE-2026-3384 is a low-severity vulnerability in Chaiscript, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-03-01.
- How severe is CVE-2026-3384?
- Low severity. CVSS v3 base score is 3.3 out of 10.