Security advisory

{
  "id": "606e5c969a8068b031360618f007bbbe545e4c3846d728d3d65f6c21421bbd79",
  "url": "https://osv.dev/vulnerability/CVE-2026-22560",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-22560",
    "summary": "An open redirect vulnerability in Rocket.Chat versions prior to 8.4.0 allows users to be redirected to arbitrary URLs by manipulating parameters within a SAML endpoint.",
    "evidence": "osv:CVE-2026-22560",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-22560",
      "aliases": [
        "CVE-2026-22560"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/rocketchat/rocket.chat",
              "type": "GIT",
              "events": [
                {
                  "introduced": "bb8c7be629b7cbffc7387285c5cb98e5835ad85f"
                },
                {
                  "fixed": "bb8c7be629b7cbffc7387285c5cb98e5835ad85f"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "8.4.0"
                      },
                      {
                        "last_affected": "8.4.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "8.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-22560.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:27.936573983Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/3418031",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22560.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-22560",
        "https://github.com/RocketChat/Rocket.Chat/pull/38994"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-601"
        ],
        "cna_assigner": "hackerone",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/22xxx/CVE-2026-22560.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-22560",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 494291,
  "published_at": "2026-04-10T17:00:11.746+00:00"
}