CVE-2025-55736 CRITICAL

CVE-2025-55736: flaskBlog allows arbitrary privilege escalation

Vendor Dogukanurker
Product FlaskBlog
Weakness CWE-425 · Forced browsing
Published August 19, 2025
Last update August 19, 2025
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, an arbitrary user can change his role to "admin", giving its relative privileges (e.g. delete users, posts, comments etc.). The problem is in the routes/adminPanelUsers file.

Key dates

02Disclosure timeline

August 19, 2025 CVE published
August 19, 2025 Record updated