Security advisory

{
  "id": "8ffbd13d465ce58f66b44ec09295e759325f7530853eb20038e4b6ee10d3409b",
  "url": "https://osv.dev/vulnerability/CVE-2026-111823",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-111823",
    "summary": "Mage OSS through 0.9.80 before 76c4f46 can proceed with session creation upon encountering an unknown OAuth provider.",
    "evidence": "osv:CVE-2026-111823",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-111823",
      "aliases": [
        "CVE-2026-111823"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mage-ai/mage-ai",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "b15fe8c11b344784cdd0cccf3139a67979e713a2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.9.80"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "0.9.80"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.80",
            "0.9.79",
            "0.9.78",
            "0.9.77",
            "0.9.76",
            "0.9.75",
            "0.9.74",
            "0.9.73",
            "0.9.72",
            "0.9.71",
            "0.9.70",
            "0.9.68",
            "0.9.66",
            "0.9.65",
            "0.9.64",
            "0.9.63",
            "0.9.62",
            "0.9.60",
            "0.9.59",
            "0.9.50",
            "0.9.48",
            "0.9.46",
            "0.9.45",
            "0.9.43",
            "0.9.41",
            "0.9.38",
            "0.9.35",
            "0.9.34",
            "0.9.30",
            "0.9.28",
            "0.9.26",
            "0.9.23",
            "0.9.21",
            "0.9.19",
            "0.9.16",
            "0.9.14",
            "0.9.11",
            "0.9.10",
            "0.9.8",
            "0.9.4",
            "0.9.0",
            "0.8.93",
            "0.8.86",
            "0.8.83",
            "0.8.78",
            "0.8.75",
            "0.8.69",
            "0.8.58",
            "0.8.52",
            "0.8.44",
            "0.8.37",
            "0.8.29",
            "0.8.27",
            "0.8.24",
            "0.8.15",
            "0.8.11",
            "0.8.3",
            "0.8.2",
            "0.7.98",
            "0.7.90",
            "0.7.84",
            "0.7.74"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111823.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.551715722Z",
      "provider": "osv",
      "references": [
        "https://github.com/mage-ai/mage-ai/pull/6204/changes/76c4f467f3654041d8899b1c4447a985710d26c0",
        "https://thecoregroup.net/category/the-core-group/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111823.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-111823",
        "https://github.com/mage-ai/mage-ai/pull/6204",
        "https://github.com/mage-ai/mage-ai/pull/6205",
        "https://github.com/mage-ai/mage-ai"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-390"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111823.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111823",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490177,
  "published_at": "2026-10-16T23:16:29.244+00:00"
}