CVE-2026-81668 Rubygem-katello: cross-tenant content view filter rule access and modification via unauthorized parent filter lookup
Authenticated users can access and modify cross-tenant content view filter rules due to missing authorization checks on parent filters.
- 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-2026-81668?
CVE-2026-81668 is a medium-severity missing authorization vulnerability in Red Hat Satellite 6, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in Katello where the Content View Filter Rules API does not properly enforce authorization on the parent Content View Filter. An authenticated, low-privileged user with Content View permissions in one organization may be able to access and modify filter rules belonging to a Content View Filter in another organization by supplying that filter's identifier. This can result in unauthorized disclosure of filter-rule information and unauthorized changes to unpublished Content View filter configuration.
Weakness: CWE-639
Which versions are affected by CVE-2026-81668?
How do I fix CVE-2026-81668?
No fix has been published for CVE-2026-81668 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-2026-81668 being exploited?
There is no known exploitation of CVE-2026-81668 in the wild and no public exploit code.
Sources
Also known as GHSA-593x-2w4f-c2m8.