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
| Link | Resource |
|---|---|
| https://github.com/ChaiScript/ChaiScript/ | Product |
| https://github.com/ChaiScript/ChaiScript/issues/636 | Exploit Vendor Advisory Issue Tracking |
| https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582 | Exploit Vendor Advisory Issue Tracking |
| https://vuldb.com/?ctiid.346454 | Third Party Advisory VDB Entry |
| https://vuldb.com/?id.346454 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.752790 | Third Party Advisory VDB Entry |
Configurations
History
19 Feb 2026, 17:22
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Chaiscript
Chaiscript chaiscript |
|
| CPE | cpe:2.3:a:chaiscript:chaiscript:*:*:*:*:*:*:*:* | |
| References | () https://github.com/ChaiScript/ChaiScript/ - Product | |
| References | () https://github.com/ChaiScript/ChaiScript/issues/636 - Exploit, Vendor Advisory, Issue Tracking | |
| References | () https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582 - Exploit, Vendor Advisory, Issue Tracking | |
| References | () https://vuldb.com/?ctiid.346454 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?id.346454 - Third Party Advisory, VDB Entry | |
| References | () https://vuldb.com/?submit.752790 - Third Party Advisory, VDB Entry |
18 Feb 2026, 15:18
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-02-18 15:18
Updated : 2026-02-19 17:22
NVD link : CVE-2026-2656
Mitre link : CVE-2026-2656
CVE.ORG link : CVE-2026-2656
JSON object : View
Products Affected
chaiscript
- chaiscript
