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

Weakness classification (CWE)

References

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.