CVE-2026-2656 PUBLISHED

ChaiScript type_info.hpp bare_equal use after free

Assigner: VulDB
Reserved: 18.02.2026 Published: 18.02.2026 Updated: 18.02.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 2

Product Status

Vendor n/a
Product ChaiScript
Versions
  • Version 6.0 is affected
  • Version 6.1.0 is affected

Credits

  • Oneafter (VulDB User) reporter

References

Problem Types

  • Use After Free CWE
  • Memory Corruption CWE