CVE-2026-7485 Frozen BI aggregations leak host and service names to unauthorized users
Authenticated users with restricted visibility can view unauthorized host and service names in Checkmk BI aggregations.
- 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-2026-7485?
CVE-2026-7485 is a low-severity missing authorization vulnerability in Checkmk, published on 20 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect authorization in frozen BI aggregations in Checkmk <2.5.0p2, <2.4.0p29, <2.3.0p47, and all 2.2.0 versions allows an authenticated user with restricted host and service visibility to learn the names and the existence of hosts and services they are not authorized to see.
Weakness: CWE-863
Which versions are affected by CVE-2026-7485?
How do I fix CVE-2026-7485?
No fix has been published for CVE-2026-7485 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-2026-7485 being exploited?
There is no known exploitation of CVE-2026-7485 in the wild and no public exploit code.
Sources
Also known as GHSA-c84g-3xmv-j872, UBUNTU-CVE-2026-7485.