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CVE-2017-18076

Status: ModifiedHigh (7.5)—

In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Debian — Debian LinuxOmniauth — Omniauth

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2017-18076",
  "cveTags": [],
  "metrics": {
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
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  "published": "2018-01-26T19:29:00.260",
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      "lang": "en",
      "value": "In strategy.rb in OmniAuth before 1.3.2, the authenticity_token value is improperly protected because POST (in addition to GET) parameters are stored in the session and become available in the environment of the callback phase."
    },
    {
      "lang": "es",
      "value": "En strategy.rb en OmniAuth en versiones anteriores a la 1.3.2, el valor authenticity_token se proteje de forma indebida porque los parámetros POST (además de los GET) se almacenan en la sesión y se vuelven disponibles en el entorno de la fase de devolución de llamada."
    }
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  "lastModified": "2026-06-17T01:12:09.597",
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