Spring Authorization Server: Open Redirect via request_uri parameter

{
  "id": "dcbb0aa3a11a164fde64d99c76c325eaa0692961532089d043aed2473d693778",
  "url": "https://osv.dev/vulnerability/CVE-2026-59355",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Spring Authorization Server: Open Redirect via request_uri parameter",
    "summary": "In versions of Spring Authorization Server 1.5.0 through 1.5.7, the authorization endpoint performs insufficient validation of the request_uri parameter. An attacker can craft a request containing an invalid request_uri paired with an unvalidated redirect_uri, which can result in an open redirect to an attacker-controlled site.",
    "evidence": "osv:CVE-2026-59355",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-59355",
      "aliases": [
        "CVE-2026-59355"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/spring-attic/spring-authorization-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ebd3c3c9bd0bf254a0fafed7e1df55e5a90d9ca1"
                },
                {
                  "last_affected": "984bb7d47a8c33aea064bef3b013c714aa881559"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "1.5.0"
                      },
                      {
                        "last_affected": "1.5.7"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.5.7",
            "1.5.6",
            "1.5.5",
            "1.5.4",
            "1.5.3",
            "1.5.2",
            "1.5.1",
            "1.5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59355.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.254387364Z",
      "provider": "osv",
      "references": [
        "https://repo.maven.apache.org/maven2/org/springframework/security/spring-security-oauth2-authorization-server/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59355.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-59355",
        "https://spring.io/security/cve-2026-59355"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-601"
        ],
        "cna_assigner": "vmware",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "1.5.0"
                  },
                  {
                    "last_affected": "1.5.7"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59355.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-59355",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498285,
  "published_at": "2026-08-27T06:35:09.607+00:00"
}