What is CVE-2025-28103?

CVE-2025-28103 is a medium-severity vulnerability in Dogukanurker Flaskblog, classified under Missing Authorization. CVSS score: 6.4/10. Published 2025-04-21.

How severe is CVE-2025-28103?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Auth bypass in Dogukanurker Flaskblog

CVE-2025-28103

Incorrect access control in laskBlog v2.6.1 allows attackers to arbitrarily delete user accounts via a crafted request.

Vulnerability class: Broken Access Control

Published 2025-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Dogukanurker Flaskblog — versions 2.6.1

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/DogukanUrker/flaskBlog/issues/130 (Third Party Advisory, Issue Tracking)
gist.github.com/coleak2021/77895b7a7b335ae17eb57390f4a94917 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-28103?: CVE-2025-28103 is a medium-severity vulnerability in Dogukanurker Flaskblog, classified under Missing Authorization. CVSS score: 6.4/10. Published 2025-04-21.
How severe is CVE-2025-28103?: Medium severity. CVSS v3 base score is 6.4 out of 10.