Auth bypass in Dogukanurker Flaskblog
CVE-2025-55737
flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when deleting a comment, there's no validation of the ownership of the comment. Every user can delete an arbitrary comment of another user on every post, by simply interceptin…
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.003 (19.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Dogukanurker Flaskblog — versions <= 2.8.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55737?
- CVE-2025-55737 is a medium-severity vulnerability in Dogukanurker Flaskblog, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2025-08-19.
- How severe is CVE-2025-55737?
- Medium severity. CVSS v3 base score is 6.5 out of 10.