How serious is CVE-2026-3384?

This vulnerability has a CVSS score of 4.8 out of 10, classified as MEDIUM severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2026-3384?

Yes, proof-of-concept exploit code for CVE-2026-3384 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2026-3384?

CVE-2026-3384 affects chaiscript chaiscript. Check the full CVE details for specific version information.

How do I fix CVE-2026-3384?

To remediate CVE-2026-3384, check for security patches from chaiscript. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2026-3384

Medium

|4.8

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

This vulnerability allows an attacker to cause a program using ChaiScript to crash by creating an endless loop of function calls, leading to a situation called uncontrolled recursion. The attack can only be carried out locally, meaning the attacker needs access to the system where ChaiScript is running.

Technical 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.

CVSS Vector Analysis

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeChanged

Vector String

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$638($500-$1K)

Vendor Response

Grade APatched in 4 days

Quick Information

Published

Mar 1, 2026

about 1 month ago

Last Modified

Mar 5, 2026

about 1 month ago

Vendor

chaiscript

Product

chaiscript

Related Vulnerabilities

CVE-2026-3383Medium

This vulnerability allows an attacker with local access to crash the ChaiScript application by triggering a divide by zero error. The exploit is publicly available, meaning it could be used by anyone who can access the system where ChaiScript is running.

CVE-2026-3382Medium

This vulnerability allows an attacker to corrupt memory in ChaiScript, potentially leading to crashes or unauthorized access to sensitive information. However, the attacker must have local access to the system to exploit this flaw.