{"id":"CVE-2026-8209","details":"Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application PHP files, failed .zip extraction results in deletion of the file and a DOS condition. Successful exploitation requires Teacher or higher privileges. Exploitation could result in loss of availability of the web application.","modified":"2026-07-15T01:49:20.137278464Z","published":"2026-05-09T03:19:27.757Z","database_specific":{"cna_assigner":"PRJBLK","cwe_ids":["CWE-23"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8209.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8209.json"},{"type":"ADVISORY","url":"https://github.com/GibbonEdu/core/releases/tag/v30.0.01"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8209"},{"type":"EVIDENCE","url":"https://projectblack.io/blog/gibbon-v30-authenticated-sql-injection-and-rce/#denial-of-service-via-path-traversal"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gibbonedu/core","events":[{"introduced":"0"},{"fixed":"b3b0219f49f2328508b989afd7e9b0843450cb9f"}],"database_specific":{"source":["AFFECTED_FIELD","DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"30.0.01"},{"fixed":"v30.0.01"}]}}],"versions":["v30.0.00","v29.0.00","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-2026-8209.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"}]}