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CVE-2026-53584

Estado: Pendiente de análisisMedia (4.3)—

libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 does not reject traversal components in a submodule path loaded from .gitmodules. The affected src/libgit2/submodule.c paths include git_submodule_lookup and git_submodule_add_setup. A crafted repository can specify a path such as ../escape-target, and applications that initialize the submodule can create directories outside the repository working tree. This issue is fixed in versions 1.8.6 and 1.9.5.

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.

Libgit2 — Libgit2AI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-53584",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-53584",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-08-20T19:48:09.838175Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "libgit2",
          "product": "libgit2",
          "versions": [
            {
              "status": "affected",
              "version": "< 1.8.6"
            },
            {
              "status": "affected",
              "version": ">= 1.9.0, < 1.9.5"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-20T19:16:54.680",
  "references": [
    {
      "url": "https://github.com/libgit2/libgit2/commit/419637d3587396f5d139d6d88480eab3cd81e7a1",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/libgit2/libgit2/commit/467c2d95ed663df722f83a5960edf568514b128c",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/libgit2/libgit2/commit/ec7371da9f359cd8293e9108e7a0b1c1b61b67c4",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/libgit2/libgit2/releases/tag/v1.8.6",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/libgit2/libgit2/releases/tag/v1.9.5",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/libgit2/libgit2/security/advisories/GHSA-cw77-j82w-mchm",
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, libgit2 does not reject traversal components in a submodule path loaded from .gitmodules. The affected src/libgit2/submodule.c paths include git_submodule_lookup and git_submodule_add_setup. A crafted repository can specify a path such as ../escape-target, and applications that initialize the submodule can create directories outside the repository working tree. This issue is fixed in versions 1.8.6 and 1.9.5."
    }
  ],
  "lastModified": "2026-09-09T21:19:49.197",
  "sourceIdentifier": "security-advisories@github.com"
}