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CVE-2026-2655 Detail

Description

A vulnerability was detected in ChaiScript up to 6.1.0. The impacted element is the function chaiscript::str_less::operator of the file include/chaiscript/chaiscript_defines.hpp. The manipulation results in use after free. The attack requires a local approach. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/ChaiScript/ChaiScript/ VulDB
https://github.com/ChaiScript/ChaiScript/issues/632 CISA-ADP, VulDB
https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936 VulDB
https://vuldb.com/?ctiid.346453 VulDB
https://vuldb.com/?id.346453 VulDB
https://vuldb.com/?submit.752788 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  
CWE-416 Use After Free VulDB  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-2655
NVD Published Date:
02/18/2026
NVD Last Modified:
02/18/2026
Source:
VulDB