CVE-2026-8593 Fix Business Intelligence API Pack permission
Unauthorized users can view and modify Business Intelligence packs and rules due to improper permission enforcement in Checkmk.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8593?
CVE-2026-8593 is a medium-severity missing authorization vulnerability in Checkmk, published on 21 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper permission enforcement in Checkmk versions 2.5.0 before 2.5.0p9, 2.4.0 before 2.4.0p34, 2.3.0 before 2.3.0p49, and 2.2.0 (EOL) allows users without permissions to view and modify BI packs and rules
Weakness: CWE-862
Which versions are affected by CVE-2026-8593?
How do I fix CVE-2026-8593?
No fix has been published for CVE-2026-8593 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-2026-8593 being exploited?
There is no known exploitation of CVE-2026-8593 in the wild and no public exploit code.
Sources
Also known as GHSA-h65g-fgc4-48g6, UBUNTU-CVE-2026-8593.