Security advisory

{
  "id": "38d50c29410888d863909b91c411293d16d97b6f023a66f6bd80a9a9e2b7d0bc",
  "url": "https://osv.dev/vulnerability/CVE-2026-27982",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-27982",
    "summary": "An open redirect vulnerability exists in django-allauth versions prior to 65.14.1 when SAML IdP initiated SSO is enabled (it is disabled by default), which may allow an attacker to redirect users to an arbitrary external website via a crafted URL.",
    "evidence": "osv:CVE-2026-27982",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-27982",
      "aliases": [
        "CVE-2026-27982",
        "GHSA-2jpr-83rg-v67j",
        "PYSEC-2026-56"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pennersr/django-allauth",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c91320aa05c96ac605f4ac18ca6749ec51aaf6ae"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:allauth:allauth:*:*:*:*:*:django:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "65.14.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "65.14.0",
            "65.13.1",
            "65.13.0",
            "65.12.0",
            "65.11.0",
            "65.10.0",
            "65.9.0",
            "65.8.0",
            "65.7.0",
            "65.6.0",
            "65.5.0",
            "65.4.1",
            "65.4.0",
            "65.3.1",
            "65.3.0",
            "65.2.0",
            "65.1.0",
            "65.0.2",
            "65.0.1",
            "65.0.0",
            "64.2.1",
            "64.2.0",
            "64.1.0",
            "64.0.0",
            "0.63.3",
            "0.63.2",
            "0.63.1",
            "0.63.0",
            "0.62.0",
            "0.61.1",
            "0.61.0",
            "0.57.0",
            "0.60.0",
            "0.59.0",
            "0.58.2",
            "0.58.1",
            "0.58.0",
            "0.56.1",
            "0.56.0",
            "0.55.0",
            "0.54.0",
            "0.53.1",
            "0.53.0",
            "0.52.0",
            "0.51.0",
            "0.50.0",
            "0.49.0",
            "0.48.0",
            "0.47.0",
            "0.46.0",
            "0.45.0",
            "0.44.0",
            "0.43.0",
            "0.42.0",
            "0.41.0",
            "0.40.0",
            "0.39.1",
            "0.39.0",
            "0.38.0",
            "0.37.1",
            "0.37.0",
            "0.36.0",
            "0.35.0",
            "0.34.0",
            "0.33.0",
            "0.32.0",
            "0.31.0",
            "0.30.0",
            "0.29.0",
            "0.28.0",
            "0.27.0",
            "0.26.1",
            "0.26.0",
            "0.25.2",
            "0.25.1",
            "0.25.0",
            "0.24.1",
            "0.24.0",
            "0.23.0",
            "0.22.0",
            "0.21.0",
            "0.20.0",
            "0.19.1",
            "0.19.0",
            "0.18.0",
            "0.17.0",
            "0.16.1",
            "0.16.0",
            "0.15.0",
            "0.14.2",
            "0.14.1",
            "0.14.0",
            "0.13.0",
            "0.12.0",
            "0.11.1",
            "0.11.0",
            "0.10.1",
            "0.10.0",
            "0.9.0",
            "0.8.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27982.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.159287581Z",
      "provider": "osv",
      "references": [
        "https://allauth.org/news/2026/02/django-allauth-65.14.1-released/",
        "https://jvn.jp/en/jp/JVN23669411/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27982.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-27982"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-601"
        ],
        "cna_assigner": "jpcert",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "65.14.1"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "VersionTextExtraction"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27982.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-27982",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490738,
  "published_at": "2026-03-05T05:31:25.711+00:00"
}