ruby-rodauth — security advisory

{
  "id": "d34c38874658d816d0f7d87eb061021035e8717dc61c949a92bb959fbc027f0a",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-82468",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-82468",
    "summary": "Rodauth before 2.47.0 contains a cross-site request forgery protection bypass vulnerability in the JSON request content type validation. Attackers can craft cross-origin form posts with content types containing application/json substrings to bypass CSRF token validation and force victims to authenticate to attacker-controlled accounts.",
    "evidence": "osv:UBUNTU-CVE-2026-82468",
    "products": [
      {
        "name": {
          "value": "ruby-rodauth",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.43.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.44.0-1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.45.0-1",
            "evidence": "/affected/0/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-82468",
      "aliases": [
        "UBUNTU-CVE-2026-82468"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"
        },
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "ruby-rodauth",
            "purl": "pkg:deb/ubuntu/ruby-rodauth?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "2.43.0-1",
            "2.44.0-1",
            "2.45.0-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-82468.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "ruby-rodauth",
                "binary_version": "2.45.0-1"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T13:01:11.384703242Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-82468"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-82468",
        "https://www.cve.org/CVERecord?id=CVE-2026-82468",
        "https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hh2f-xw94-5p79",
        "https://github.com/jeremyevans/rodauth",
        "https://github.com/jeremyevans/rodauth/commit/3e0d7ab2d49a5733d1afcaaf1062b8a8258aa57a",
        "https://www.vulncheck.com/advisories/rodauth-before-2.47.0-csrf-protection-bypass-via-content-type"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-82468",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/1/score"
  },
  "source_id": "core-osv",
  "document_id": 361183,
  "published_at": "2026-08-29T17:17:00+00:00"
}