CVE-2026-2656

A flaw has been found in ChaiScript up to 6.1.0. This affects the function chaiscript::Type_Info::bare_equal of the file include/chaiscript/dispatchkit/type_info.hpp. This manipulation causes use after free. The attack requires local access. The attack's complexity is rated as high. The exploitability is reported as difficult. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

• CWE-119
• CWE-416

• https://github.com/ChaiScript/ChaiScript/Product
• https://github.com/ChaiScript/ChaiScript/issues/636Exploit, Issue Tracking, Vendor Advisory
• https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582Exploit, Issue Tracking, Vendor Advisory
• https://vuldb.com/?ctiid.346454Third Party Advisory, VDB Entry
• https://vuldb.com/?id.346454Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.752790Third Party Advisory, VDB Entry

Published

Feb 18, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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