Security advisory

{
  "id": "ccd64b6ce2c9edfdc066ffa7bdf5796fff89fd55d1c21deb2a82ff477cd5f94a",
  "url": "https://osv.dev/vulnerability/CVE-2025-26211",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-26211",
    "summary": "Gibbon before 29.0.00 allows CSRF.",
    "evidence": "osv:CVE-2025-26211",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2025-26211",
      "aliases": [
        "CVE-2025-26211"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/gibbonedu/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3c1a66251d42079415a80f1dec2cb0ee545eb582"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "29.0.00"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3c1a66251d42079415a80f1dec2cb0ee545eb582"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v29.0.00"
                  },
                  {
                    "cpe": "cpe:2.3:a:gibbonedu:gibbon:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "29.0.00"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v28.0.01",
            "v28.0.00",
            "v28.0.00-pre",
            "v26.0.00",
            "v25.0.00",
            "v24.0.01",
            "v24.0.00",
            "v23.0.00",
            "test-tag-5",
            "test-tag-4",
            "test-tag-3b",
            "v22.0.00-pre",
            "v22.0.00",
            "v23.0.00-testbuild2",
            "v21.0.00",
            "v20.0.00",
            "v19.0.00",
            "v18.0.01",
            "v18.0.00",
            "v17.0.00",
            "v16.0.01",
            "v16.0.00",
            "v15.0.01",
            "v15.0.00",
            "v14.0.01",
            "v14.0.00",
            "PR_Timetable_Tools",
            "PR_Markbook_Sidebar",
            "PR_Attendance",
            "v12.0.00",
            "v11.0.00",
            "v10.0.00",
            "v9.1.00",
            "v9.0.00",
            "v8.3.00",
            "v8.2.00",
            "v8.1.00",
            "v8.0.06",
            "v8.0.05",
            "v8.0.04",
            "v8.0.03",
            "v8.0.02",
            "v8.0.01",
            "v8.0.00",
            "v7.1.02",
            "v7.1.01",
            "v7.1.00",
            "v7.0.01",
            "v7.0.00"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-26211.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:25.280073631Z",
      "provider": "osv",
      "references": [
        "https://github.com/GibbonEdu/core/blob/be891ab97b058a933b68354559457c9e310c13b8/modules/Timetable%20Admin/tt_delete.php#L24",
        "https://github.com/GibbonEdu/core/releases/tag/v29.0.00",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26211.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-26211"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-352"
        ],
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/26xxx/CVE-2025-26211.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-26211",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 491906,
  "published_at": "2025-05-27T00:00:00+00:00"
}