GLPI is vulnerable to session stealing on externally authenticated user change

{
  "id": "f5ef1185d941d603831b480aec0464e80429b0a00b8c1bf4a4fa4feb2ad4e20f",
  "url": "https://osv.dev/vulnerability/CVE-2026-23624",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "GLPI is vulnerable to session stealing on externally authenticated user change",
    "summary": "GLPI is a free asset and IT management software package. In versions starting from 0.71 to before 10.0.23 and before 11.0.5, when remote authentication is used, based on SSO variables, a user can steal a GLPI session previously opened by another user on the same machine. This issue has been patched in versions .",
    "evidence": "osv:CVE-2026-23624",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-23624",
      "aliases": [
        "CVE-2026-23624",
        "GHSA-5j4j-vx46-r477"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/glpi-project/glpi",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b64f35c04d55c517c424c8feaf5bbfa9bae4e3ff"
                },
                {
                  "fixed": "3b860b94fd55dc5a6dbd1c18009adff26a14662f"
                },
                {
                  "introduced": "b5cb4adb3c350521d85209d49e29e8619cdf8316"
                },
                {
                  "fixed": "8b075d544b3e4c28f8ba51ce8dd10e57be924172"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.71"
                      },
                      {
                        "fixed": "10.0.23"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:glpi-project:glpi:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "11.0.0"
                      },
                      {
                        "fixed": "11.0.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3b860b94fd55dc5a6dbd1c18009adff26a14662f"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "10.0.23"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8b075d544b3e4c28f8ba51ce8dd10e57be924172"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "11.0.5"
                  }
                ]
              }
            }
          ],
          "versions": [
            "11.0.4",
            "11.0.3",
            "11.0.2",
            "11.0.1",
            "11.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-23624.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.006461491Z",
      "provider": "osv",
      "references": [
        "https://github.com/glpi-project/glpi/releases/tag/10.0.23",
        "https://github.com/glpi-project/glpi/releases/tag/11.0.5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23624.json",
        "https://github.com/glpi-project/glpi/security/advisories/GHSA-5j4j-vx46-r477",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23624"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-384"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23624.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23624",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497994,
  "published_at": "2026-02-04T17:15:33.75+00:00"
}