CVE-2026-2655

LOW

ChaiScript <=6.1.0 - Use After Free

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Permissions Required, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.346453
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.346453
Permissions Required, VDB Entry third-party-advisory
https://vuldb.com/?submit.752788

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