CVE-2025-55734

flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, the code checks if the userRole is "admin" only when visiting the /admin page, but not when visiting its subroutes. Specifically, only the file routes/adminPanel.py checks the user role when a user is trying to access the admin page, but that control is not done for the pages routes/adminPanelComments.py and routes/adminPanelPosts.py. Thus, an unauthorized user can bypass the intended restrictions, leaking sensitive data and accessing the following pages: /admin/posts, /adminpanel/posts, /admin/comments, and /adminpanel/comments.

• CWE-862

• https://github.com/DogukanUrker/FlaskBlog/security/advisories/GHSA-h239-vv39-v3vxExploit, Third Party Advisory
• https://github.com/DogukanUrker/FlaskBlog/security/advisories/GHSA-jw79-2xvp-76p8Exploit, Third Party Advisory

Published

Aug 19, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

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