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 (6)
Core 6
Core References
Permissions Required, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.346454
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.346454
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.752790
Issue Tracking issue-tracking
https://github.com/ChaiScript/ChaiScript/issues/636
Issue Tracking exploit
issue-tracking
https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582
Scores
CVSS v3
2.5
EPSS
0.0001
EPSS Percentile
2.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-416
Status
published
Products (1)
chaiscript/chaiscript
< 6.1.0
Published
Feb 18, 2026
Tracked Since
Feb 18, 2026