What is CVE-2026-21429?

CVE-2026-21429 is a medium-severity vulnerability in Emlog, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-01-02.

How severe is CVE-2026-21429?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Emlog

CVE-2026-21429

Emlog is an open source website building system. In version 2.5.23, the admin can set controls which makes users unable to edit or delete their articles after publishing them. As of time of publication, no known patched versions are availa…

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Emlog — versions 2.5.23, = 2.5.23

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

https://github.com/emlog/emlog/security/advisories/GHSA-jw5v-2g53-rx8w (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21429?: CVE-2026-21429 is a medium-severity vulnerability in Emlog, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-01-02.
How severe is CVE-2026-21429?: Medium severity. CVSS v3 base score is 4.3 out of 10.