Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account

{
  "id": "ee6879b6e52563993388ef953095313addebea8fdcf09ecc683bc4102cc1a4c1",
  "url": "https://osv.dev/vulnerability/CVE-2026-61463",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account",
    "summary": "Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.",
    "evidence": "osv:CVE-2026-61463",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-61463",
      "aliases": [
        "CVE-2026-61463"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/go-shiori/shiori",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "da56f82faac5bf350fc4175e5ff50726cb10d956"
                },
                {
                  "fixed": "6c8a7dbc11b131609bfda736b14d61c51f9027b2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "6c8a7dbc11b131609bfda736b14d61c51f9027b2"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.8.0-rc.1",
            "v1.7.3",
            "v1.7.2",
            "v1.7.2-rc.1",
            "v1.7.1",
            "v1.7.0",
            "v1.7.0-rc.3",
            "v1.7.0-rc.2",
            "v1.7.0-rc.1",
            "v1.6.3",
            "v1.6.2",
            "v1.6.1",
            "v1.6.0",
            "v1.6.0-rc.7",
            "v1.6.0-rc.5",
            "v1.6.0-rc.6",
            "v1.6.0-rc.4",
            "v1.6.0-rc.3",
            "v1.6.0-rc.2",
            "v1.6.0-rc.1",
            "v1.5.5-rc.2",
            "v1.5.5-rc.1",
            "v1.5.4",
            "v1.5.3",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.0",
            "v0.9"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-61463.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.241809511Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61463.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-61463",
        "https://www.vulncheck.com/advisories/shiori-authenticated-privilege-escalation-via-patch-api-v1-auth-account",
        "https://github.com/go-shiori/shiori/issues/1196",
        "https://github.com/go-shiori/shiori/commit/6c8a7dbc11b131609bfda736b14d61c51f9027b2",
        "https://github.com/go-shiori/shiori"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-269"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/61xxx/CVE-2026-61463.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-61463",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 496310,
  "published_at": "2026-07-13T17:22:59.313+00:00"
}