{"cve":"CVE-2026-8209","nvd":{"published":"2026-05-09T04:16:28.983","modified":"2026-07-24T08:10:00.150","status":"Deferred","description":"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.","cvss_v4":{"vector":"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","score":6.9},"cvss_v3":null,"cwes":["CWE-23"],"references":["https://github.com/GibbonEdu/core/releases/tag/v30.0.01","https://projectblack.io/blog/gibbon-v30-authenticated-sql-injection-and-rce/#denial-of-service-via-path-traversal"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:33:55.586217763+00:00"},"epss":{"cve":"CVE-2026-8209","score":0.00293,"percentile":0.21886,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}