CVE-2026-21429 Emlog has Broken Access Control (BAC)

Low 2.0 Published Updated

Attackers can bypass restrictions to edit or delete published articles in Emlog when specific admin controls are enabled.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-21429?

CVE-2026-21429 is a low-severity missing authorization vulnerability in Emlog Emlog, published on 2 Jan 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

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 available.

Weakness: CWE-862

Which versions are affected by CVE-2026-21429?

It affects 1 product.

Products include Emlog Emlog.

How do I fix CVE-2026-21429?

No fix has been published for CVE-2026-21429 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-21429 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21429 exists.

All Emlog Emlog vulnerabilities

Sources

Also known as GHSA-jw5v-2g53-rx8w.

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