CVE-2026-88421 Missing authorization in n/a
Unauthenticated attackers can view restricted blog entries in the Puput CMS plugin via various archive and feed endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88421?
CVE-2026-88421 is a high-severity missing authorization vulnerability in n/a, published on 25 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Incorrect access control in the BlogPage.get_entries() component of APSL puput v1.2.1 through v2.2.0 allows unauthenticated attackers to view restricted blog entries via the blog index, the tag, category, author and date archives, the sidebar widgets, or the RSS feed.
Weakness: CWE-284
Which versions are affected by CVE-2026-88421?
How do I fix CVE-2026-88421?
No fix has been published for CVE-2026-88421 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-2026-88421 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88421 exists.
Sources
Also known as GHSA-x6x4-g3x8-4p64.