CVE-2026-85469 Supply chain in Red Hat Quay 3
Attackers can compromise the build pipeline via a mutable third-party action to steal registry credentials or publish malicious images.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85469?
CVE-2026-85469 is a high-severity vulnerability in Red Hat Quay 3, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A flaw was found in quay-builder-qemu. A remote attacker could exploit this by compromising the upstream `Noelware/docker-manifest-action` used in the release workflow, which is pinned to a mutable branch. This allows the attacker to inject arbitrary code, leading to the exfiltration of sensitive registry credentials or the publication of malicious images. The workflow also exposes the default GitHub token, increasing the severity of the compromise.
Weakness: CWE-1357
Which versions are affected by CVE-2026-85469?
How do I fix CVE-2026-85469?
No fix has been published for CVE-2026-85469 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-85469 being exploited?
There is no known exploitation of CVE-2026-85469 in the wild and no public exploit code.
Sources
Also known as GHSA-8ghx-8455-hgv5.