What’s Vulnerable › Vulnerabilities

CVE-2026-3384: ChaiScript chaiscript_eval.hpp Function_Push_Pop recursion

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-01 · updated 2026-06-17
• Weakness: CWE-404

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.

Affected products

• ChaiScript: through 6.1.0

References

• https://github.com/ChaiScript/ChaiScript/
• https://github.com/ChaiScript/ChaiScript/issues/633
• https://github.com/ChaiScript/ChaiScript/issues/633#issue-3828176056
• https://vuldb.com/?ctiid.348270
• https://vuldb.com/?id.348270
• https://vuldb.com/?submit.761303

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