FKIE_CVE-2026-28208

Vulnerability from fkie_nvd - Published: 2026-02-26 23:16 - Updated: 2026-02-27 17:24
Summary
Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extracted on Linux/Unix. This can often lead to remote code execution (e.g., overwriting shell profiles, source code, cron jobs, etc). Version 7.5.8 has a fix for the issue.
Impacted products
Vendor Product Version
junrar_project junrar *

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:junrar_project:junrar:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "38B5DED4-B9D7-4E60-8BB6-9D017DECD809",
              "versionEndExcluding": "7.5.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extracted on Linux/Unix. This can often lead to remote code execution (e.g., overwriting shell profiles, source code, cron jobs, etc). Version 7.5.8 has a fix for the issue."
    },
    {
      "lang": "es",
      "value": "Junrar es una biblioteca de archivo RAR de Java de c\u00f3digo abierto. Antes de la versi\u00f3n 7.5.8, una vulnerabilidad de salto de ruta con barra invertida en \u0027LocalFolderExtractor\u0027 permite a un atacante escribir archivos arbitrarios con contenido controlado por el atacante en cualquier lugar del sistema de archivos cuando se extrae un archivo RAR manipulado en Linux/Unix. Esto a menudo puede conducir a la ejecuci\u00f3n remota de c\u00f3digo (por ejemplo, sobrescribiendo perfiles de shell, c\u00f3digo fuente, tareas cron, etc.). La versi\u00f3n 7.5.8 tiene una soluci\u00f3n para el problema."
    }
  ],
  "id": "CVE-2026-28208",
  "lastModified": "2026-02-27T17:24:18.280",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-26T23:16:35.440",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/junrar/junrar/commit/947ff1d33f00f940aa68ae2593500291d799d954"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "url": "https://github.com/junrar/junrar/releases/tag/v7.5.8"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/junrar/junrar/security/advisories/GHSA-j273-m5qq-6825"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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Sightings

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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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