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CVE-2026-31839

Estado: AnalizadaAlta (7.5)—

Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Paquete de software (Striae) con validación de integridad débil permite manipulación de contenido y hash simultáneamente. CWE-354 (comparación de hashes insuficiente) y descripción de 'tampered confirmation packages' indican cadena de suministro comprometida (T1195) que resulta en modificación de da

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Application Developer GuidanceVulnerability ScanningUser Account ManagementRestrict File and Directory PermissionsRemote Data StorageLimit Software Installation

Tecnologías afectadas (1)

Striae — Striae

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-31839",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-31839",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-11T17:06:57.326835Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
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          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1.8
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
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          "confidentialityImpact": "NONE"
        },
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      "affectedData": [
        {
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          "product": "striae",
          "versions": [
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              "status": "affected",
              "version": ">= 0.9.22-0, < 3.0.0"
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  ],
  "published": "2026-03-11T17:16:58.270",
  "references": [
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      "url": "https://github.com/striae-org/striae/releases/tag/v3.0.0",
      "tags": [
        "Release Notes"
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      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/striae-org/striae/security/advisories/GHSA-mmf8-487q-p45m",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-354"
        }
      ]
    }
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  "descriptions": [
    {
      "lang": "en",
      "value": "Striae is a firearms examiner's comparison companion. A high-severity integrity bypass vulnerability existed in Striae's digital confirmation workflow prior to v3.0.0. Hash-only validation trusted manifest hash fields that could be modified together with package content, allowing tampered confirmation packages to pass integrity checks. This vulnerability is fixed in 3.0.0."
    },
    {
      "lang": "es",
      "value": "Striae es un compañero de comparación para examinadores de armas de fuego. Existía una vulnerabilidad de omisión de integridad de alta gravedad en el flujo de trabajo de confirmación digital de Striae antes de la v3.0.0. La validación solo por hash confiaba en los campos de hash del manifiesto que podían ser modificados junto con el contenido del paquete, permitiendo que los paquetes de confirmación manipulados pasaran las comprobaciones de integridad. Esta vulnerabilidad está corregida en la 3.0.0."
    }
  ],
  "lastModified": "2026-06-17T10:34:33.317",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "versionEndIncluding": "3.0.0",
              "versionStartIncluding": "0.9.22"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}