ChaiScript type_info.hpp bare_equal use after free_CVE-2026-2656

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 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.

Basic Information

ID CVE-2026-2656

Source VulDB

Published Feb 18, 2026 at 14:32

Modified Feb 18, 2026 at 15:11

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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    "lastseen": "",
    "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.",
    "published": "2026-02-18T14:32:07.335Z",
    "modified": "2026-02-18T15:11:04.454Z",
    "type": "cve",
    "title": "ChaiScript type_info.hpp bare_equal use after free",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.346454\nhttps://vuldb.com/?ctiid.346454\nhttps://vuldb.com/?submit.752790\nhttps://github.com/ChaiScript/ChaiScript/issues/636\nhttps://github.com/ChaiScript/ChaiScript/issues/636#issue-3828333582\nhttps://github.com/ChaiScript/ChaiScript/",
    "id": "CVE-2026-2656",
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    "cwe": [
        "CWE-416",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "n/a ChaiScript 6.0\nn/a ChaiScript 6.1.0",
    "sourceHref": "",
    "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
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        "baseScore": 0,
        "baseSeverity": "",
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        "privilegesRequired": "",
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        "cvssV3": {
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    "href": "",
    "category_name": "CVE",
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    "product": "ChaiScript",
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}