ChaiScript chaiscript_defines.hpp operator use after free_CVE-2026-2655

2 / 10

LOW

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

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.

Basic Information

ID CVE-2026-2655

Source VulDB

Published Feb 18, 2026 at 14:02

Modified Feb 18, 2026 at 14:39

Affected Product

Vendor n/a

Product ChaiScript

Version 6.0

Affected Versions n/a ChaiScript 6.0
n/a ChaiScript 6.1.0

CWE Classification

CWE-416 CWE-119

References

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    "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.",
    "published": "2026-02-18T14:02:06.141Z",
    "modified": "2026-02-18T14:39:51.039Z",
    "type": "cve",
    "title": "ChaiScript chaiscript_defines.hpp operator use after free",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.346453\nhttps://vuldb.com/?ctiid.346453\nhttps://vuldb.com/?submit.752788\nhttps://github.com/ChaiScript/ChaiScript/issues/632\nhttps://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936\nhttps://github.com/ChaiScript/ChaiScript/",
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    "sourceData": "n/a ChaiScript 6.0\nn/a ChaiScript 6.1.0",
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    "cvss": {
        "score": 2,
        "severity": "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",
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