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CVE-2026-82803

Estado: AplazadaMedia (5.5)—

A vulnerability has been found in armink struct2json 1.0. This affects the function S2J_STRUCT_GET_string_ELEMENT in the library struct2json/inc/s2jdef.h of the component JSON Deserialization. The manipulation of the argument valuestring leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Armink — Struct2jsonAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-82803",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
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            {
              "automatable": "yes"
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            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-09-02T13:59:51.187865Z"
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          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
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        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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    "cvssMetricV40": [
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          "Automatable": "NOT_DEFINED",
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          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "vulnIntegrityImpact": "NONE",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedAttackComplexity": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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  },
  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:armink:struct2json:*:*:*:*:*:*:*:*"
          ],
          "vendor": "armink",
          "modules": [
            "JSON Deserialization"
          ],
          "product": "struct2json",
          "versions": [
            {
              "status": "affected",
              "version": "1.0"
            }
          ]
        }
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  ],
  "published": "2026-08-31T16:19:19.507",
  "references": [
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      "url": "https://github.com/fa1c4/security-advisories/tree/main/struct2json",
      "source": "cna@vuldb.com"
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      "url": "https://github.com/fa1c4/security-advisories/tree/main/struct2json/PoC",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/cve/CVE-2026-82803",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/submit/858192",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/397224",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/397224/cti",
      "source": "cna@vuldb.com"
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  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-404"
        },
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in armink struct2json 1.0. This affects the function S2J_STRUCT_GET_string_ELEMENT in the library struct2json/inc/s2jdef.h of the component JSON Deserialization. The manipulation of the argument valuestring leads to null pointer dereference. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
    }
  ],
  "lastModified": "2026-09-02T14:17:15.740",
  "sourceIdentifier": "cna@vuldb.com"
}