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4 vulnerabilities found for chaiscript by chaiscript

CVE-2026-2656 (GCVE-0-2026-2656)

Vulnerability from nvd – Published: 2026-02-18 14:32 – Updated: 2026-02-23 10:17
VLAI?
Title
ChaiScript type_info.hpp bare_equal use after free
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
n/a ChaiScript Affected: 6.0
Affected: 6.1.0
Credits
Oneafter (VulDB User)
Show details on NVD website

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CVE-2026-2655 (GCVE-0-2026-2655)

Vulnerability from nvd – Published: 2026-02-18 14:02 – Updated: 2026-02-23 10:17
VLAI?
Title
ChaiScript chaiscript_defines.hpp operator use after free
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
n/a ChaiScript Affected: 6.0
Affected: 6.1.0
Credits
Oneafter (VulDB User)
Show details on NVD website

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CVE-2026-2656 (GCVE-0-2026-2656)

Vulnerability from cvelistv5 – Published: 2026-02-18 14:32 – Updated: 2026-02-23 10:17
VLAI?
Title
ChaiScript type_info.hpp bare_equal use after free
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
n/a ChaiScript Affected: 6.0
Affected: 6.1.0
Credits
Oneafter (VulDB User)
Show details on NVD website

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CVE-2026-2655 (GCVE-0-2026-2655)

Vulnerability from cvelistv5 – Published: 2026-02-18 14:02 – Updated: 2026-02-23 10:17
VLAI?
Title
ChaiScript chaiscript_defines.hpp operator use after free
Summary
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.
CWE
Assigner
Impacted products
Vendor Product Version
n/a ChaiScript Affected: 6.0
Affected: 6.1.0
Credits
Oneafter (VulDB User)
Show details on NVD website

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          "value": "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": [
        {
          "cvssV4_0": {
            "baseScore": 2,
            "baseSeverity": "LOW",
            "vectorString": "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"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 2.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 2.5,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1,
            "vectorString": "AV:L/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-416",
              "description": "Use After Free",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-02-23T10:17:43.776Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-346453 | ChaiScript chaiscript_defines.hpp operator use after free",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.346453"
        },
        {
          "name": "VDB-346453 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.346453"
        },
        {
          "name": "Submit #752788 | ChaiScript develop branch Use After Free",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.752788"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/ChaiScript/ChaiScript/issues/632"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/ChaiScript/ChaiScript/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-18T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-02-18T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-02-18T07:48:29.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "ChaiScript chaiscript_defines.hpp operator use after free"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-2655",
    "datePublished": "2026-02-18T14:02:06.141Z",
    "dateReserved": "2026-02-18T06:43:13.411Z",
    "dateUpdated": "2026-02-23T10:17:43.776Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}