Vulnerability · Published Aug 19, 2025 · Assigned by GitHub_M
CVE-2025-55736flaskBlog allows arbitrary privilege escalation
Critical 9.3
In plain English
A critical-severity security flaw in FlaskBlog from DogukanUrker. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.3%top 80.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| DogukanUrker | FlaskBlog | <= 2.8.0 |
Weakness: CWE-425, CWE-807 · 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