Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout

{
  "id": "9ae8dec156c91c170c4e36074db4772f6c16cb3358bba4375b3a4435fce3a44a",
  "url": "https://osv.dev/vulnerability/CVE-2026-59219",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Open WebUI: Realtime endpoints accept Redis-revoked JWTs after signout/backchannel logout",
    "summary": "Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 before 0.10.0 with Redis configured, Socket.IO connect, user-join, join-channels, join-note, and the terminal websocket first-message authentication used decode_token without the Redis-backed is_valid_token revocation check, allowing revoked JWTs to continue authenticating realtime connections. This issue is fixed in version 0.10.0.",
    "evidence": "osv:CVE-2026-59219",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-59219",
      "aliases": [
        "CVE-2026-59219",
        "GHSA-855v-hq7w-jmjw",
        "PYSEC-2026-3595"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/open-webui/open-webui",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f31768e20e5c6b4f6da0ef657877298b359936cf"
                },
                {
                  "fixed": "4d2e13cf2bcc451b33bb6374bea4d2163e6cc94c"
                },
                {
                  "fixed": "33b91bd8ae8a100a5a306c91441a7d0b422c4cde"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openwebui:open_webui:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.9.0"
                      },
                      {
                        "fixed": "0.10.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "33b91bd8ae8a100a5a306c91441a7d0b422c4cde"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4d2e13cf2bcc451b33bb6374bea4d2163e6cc94c"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.10.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.9.5",
            "v0.9.4",
            "v0.9.3",
            "v0.9.2",
            "v0.9.1",
            "v0.9.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59219.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.672767604Z",
      "provider": "osv",
      "references": [
        "https://github.com/open-webui/open-webui/releases/tag/v0.10.0",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59219.json",
        "https://github.com/open-webui/open-webui/security/advisories/GHSA-855v-hq7w-jmjw",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-59219",
        "https://github.com/open-webui/open-webui/commit/33b91bd8ae8a100a5a306c91441a7d0b422c4cde"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-613"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59219.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-59219",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 514565,
  "published_at": "2026-07-09T16:43:24.542+00:00"
}