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FKIE_CVE-2026-42351

Vulnerability from fkie_nvd - Published: 2026-05-08 23:16 - Updated: 2026-07-24 21:10
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
pygeoapi is a Python server implementation of the OGC API suite of standards. From version 0.23.0 to before version 0.23.3, a raw string path concatenation vulnerability in pygeoapi's STAC FileSystemProvider plugin can allow for requests to STAC collection based collections to expose directories without authentication. The issue manifests when pygeoapi is deployed without a proxy or web front end that would normalize URLs with .. values, along with a resource of type stac-collection defined in configuration. This issue has been patched in version 0.23.3.
References
security-advisories@github.comhttps://github.com/geopython/pygeoapi/commit/bf25b8695edbdd5476eeffc102b633d1d3e45f52
security-advisories@github.comhttps://github.com/geopython/pygeoapi/releases/tag/0.23.3
security-advisories@github.comhttps://github.com/geopython/pygeoapi/security/advisories/GHSA-f6pr-83pg-ghh6
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "pygeoapi",
          "vendor": "geopython",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 0.23.0, \u003c 0.23.3"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "pygeoapi is a Python server implementation of the OGC API suite of standards. From version 0.23.0 to before version 0.23.3, a raw string path concatenation vulnerability in pygeoapi\u0027s STAC FileSystemProvider plugin can allow for requests to STAC collection based collections to expose directories without authentication. The issue manifests when pygeoapi is deployed without a proxy or web front end that would normalize URLs with .. values, along with a resource of type stac-collection defined in configuration. This issue has been patched in version 0.23.3."
    },
    {
      "lang": "es",
      "value": "pygeoapi es una implementaci\u00f3n de servidor Python de la suite de est\u00e1ndares OGC API. Desde la versi\u00f3n 0.23.0 hasta antes de la versi\u00f3n 0.23.3, una vulnerabilidad de concatenaci\u00f3n de rutas de cadena sin procesar en el plugin STAC FileSystemProvider de pygeoapi puede permitir que las solicitudes a colecciones basadas en colecciones STAC expongan directorios sin autenticaci\u00f3n. El problema se manifiesta cuando pygeoapi se despliega sin un proxy o un front-end web que normalizar\u00eda las URL con valores .., junto con un recurso de tipo stac-collection definido en la configuraci\u00f3n. Este problema ha sido parcheado en la versi\u00f3n 0.23.3."
    }
  ],
  "id": "CVE-2026-42351",
  "lastModified": "2026-07-24T21:10:00.143",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-42351",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-12T02:13:24.339410Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-08T23:16:38.170",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/geopython/pygeoapi/commit/bf25b8695edbdd5476eeffc102b633d1d3e45f52"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/geopython/pygeoapi/releases/tag/0.23.3"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/geopython/pygeoapi/security/advisories/GHSA-f6pr-83pg-ghh6"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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