CVE-2026-123710 Quay: red hat quay: unauthenticated registry signing-key takeover via service key rotation
Unauthenticated clients can obtain a long-lived anonymous registry token and install a permanent signing key, gaining read/write access to private Quay images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-123710?
CVE-2026-123710 is a critical authentication bypass vulnerability in Red Hat Quay 3.10, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in Red Hat Quay. An unauthenticated client can obtain an anonymous registry token with an audience it controls, present that token to the service key rotation endpoint, and install its own approved signing key with no expiry. Registry tokens signed with that key are accepted for any repository, allowing read and write access to private images and replacement of repository tags.
Weakness: CWE-1287
Which versions are affected by CVE-2026-123710?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-123710?
No fix has been published for CVE-2026-123710 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-123710 being exploited?
There is no known exploitation of CVE-2026-123710 in the wild and no public exploit code.
Sources
Also known as GHSA-jw94-v4wp-236w.