CVE-2026-8209

State: Published
Severity: 6.9 Medium
Published: May 9, 2026
Updated: May 11, 2026
Reserved: May 9, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	PRJBLK

Weaknesses

CWE-23 Relative path traversal

Affected Products

Product	Versions
gibbongibbonedu	before 30.0.01Affected

References

https://github.com/GibbonEdu/core/releases/tag/v30.0.01vendor-advisory
https://projectblack.io/blog/gibbon-v30-authenticated-sql-injection-and-rce/#denial-of-service-via-path-traversalexploit

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