CVE-2025-55736

flaskBlog allows arbitrary privilege escalation

State: Published
Severity: 9.3 Critical
Published: Aug 19, 2025
Updated: Aug 19, 2025
Reserved: Aug 14, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	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	GitHub_M

Weaknesses

CWE-425 Direct Request ('Forced Browsing')
CWE-807 Reliance on Untrusted Inputs in a Security Decision

Affected Products

Product	Versions
FlaskBlogDogukanUrker	<= 2.8.0Affected

References

https://github.com/DogukanUrker/FlaskBlog/security/advisories/GHSA-6q83-vfmq-wf72

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.