CVE-2026-2656

low

Description

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.

References

https://vuldb.com/?submit.752790

https://vuldb.com/?id.346454

https://vuldb.com/?ctiid.346454

https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582

https://github.com/ChaiScript/ChaiScript/issues/636

https://github.com/ChaiScript/ChaiScript/

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-19

Risk Information

CVSS v2

Base Score: 1

Vector: CVSS2#AV:L/AC:H/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 2.5

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

Severity: Low

CVSS v4

Base Score: 2

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

Severity: Low

EPSS

EPSS: 0.00013