Home/CVE/Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction
CVE

CVE-2026-8209

Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction

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.

EPSS 0.00075
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-23Relative Path Traversal
▣

Scoring & Timeline

Published to NVD09 May 2026 · 04:16 AM
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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