CVE-2026-2656CWE-119CWE-416

ChaiScript type_info.hpp bare_equal use after free

Low · published February 18, 2026

CVSS v4.0
2.0
EPSS
0%
Percentile
7.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
2.0 · LOW
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
EPSS
0.00186 · 7.8th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2026-02-18T14:32Z
EPSS history
Timeline
  • 18 FEB 14:32Z
    ChaiScript type_info.hpp bare_equal use after free
    cvelistv5