FKIE_CVE-2026-2655

Vulnerability from fkie_nvd - Published: 2026-02-18 14:16 - Updated: 2026-02-19 17:22
Severity ?
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
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.
References
cna@vuldb.comhttps://github.com/ChaiScript/ChaiScript/Product
cna@vuldb.comhttps://github.com/ChaiScript/ChaiScript/issues/632Vendor Advisory, Exploit, Issue Tracking
cna@vuldb.comhttps://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936Vendor Advisory, Exploit, Issue Tracking
cna@vuldb.comhttps://vuldb.com/?ctiid.346453Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?id.346453Third Party Advisory, VDB Entry
cna@vuldb.comhttps://vuldb.com/?submit.752788Third Party Advisory, VDB Entry
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/ChaiScript/ChaiScript/issues/632Vendor Advisory, Exploit, Issue Tracking
Impacted products
Vendor Product Version
chaiscript chaiscript *
To clipboard 

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              "matchCriteriaId": "7C9648DA-18A7-412B-AEE5-903C40744AD3",
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  "descriptions": [
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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."
    },
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      "value": "Una vulnerabilidad fue detectada en ChaiScript hasta 6.1.0. El elemento impactado es la funci\u00f3n chaiscript::str_less::operator del archivo include/chaiscript/chaiscript_defines.hpp. La manipulaci\u00f3n resulta en use after free. El ataque requiere un enfoque local. El ataque requiere un alto nivel de complejidad. La explotabilidad se considera dif\u00edcil. El exploit ahora es p\u00fablico y puede ser usado. El proyecto fue informado del problema tempranamente a trav\u00e9s de un informe de problema pero a\u00fan no ha respondido."
    }
  ],
  "id": "CVE-2026-2655",
  "lastModified": "2026-02-19T17:22:36.310",
  "metrics": {
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        "baseSeverity": "LOW",
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          "availabilityImpact": "PARTIAL",
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          "Recovery": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
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          "value": "CWE-119"
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}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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