Low severity · published Feb 18, 2026
CVE-2026-2656
ChaiScript type_info.hpp bare_equal use after free
2.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CH
ChaiScript ·
6.0; 6.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2656
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2656
Product
https://github.com/ChaiScript/ChaiScript/
Exploit
https://github.com/ChaiScript/ChaiScript/issues/636
Exploit
https://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582
Third Party Advisory
https://vuldb.com/?ctiid.346454
Third Party Advisory
https://vuldb.com/?id.346454
Third Party Advisory
https://vuldb.com/?submit.752790
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