CVE-2026-109195 Quay: repository auto-prune policy uuid idor in quay api
An authenticated attacker can access other namespaces' auto-prune configurations by exploiting missing namespace scoping checks in the Quay API.
- 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-2026-109195?
CVE-2026-109195 is a low-severity missing authorization vulnerability in Red Hat Quay 3, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in Quay. An authenticated attacker can access repository auto-prune configurations from other namespaces, leading to unauthorized information disclosure. This issue occurs because the application does not properly enforce namespace scoping when retrieving policy details by repository name and policy identifier. To exploit the vulnerability, the attacker must manage a repository sharing the target's name and know the target policy's unique identifier.
Weakness: CWE-639
Which versions are affected by CVE-2026-109195?
How do I fix CVE-2026-109195?
No fix has been published for CVE-2026-109195 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-2026-109195 being exploited?
There is no known exploitation of CVE-2026-109195 in the wild and no public exploit code.
Sources
Also known as GHSA-prhp-pcrp-6fch.