CVE-2026-18942 Feast-operator: feast: feast apply cronjob runs user python with feature-server sa — tenant code to sa token escalation
A malicious tenant can inject code into a feature repository, leading to arbitrary code execution with elevated privileges and cluster administrative control.
- 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-2026-18942?
CVE-2026-18942 is a medium-severity code injection vulnerability in Red Hat OpenShift AI (RHOAI), published on 10 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A flaw was found in the Feast operator. A malicious tenant could inject arbitrary code into their feature repository. This code would be executed by an automated process with elevated privileges, allowing the tenant to steal sensitive credentials. This could lead to a direct escalation of privileges, granting the tenant administrative control over the Kubernetes cluster.
Weakness: CWE-94
Which versions are affected by CVE-2026-18942?
How do I fix CVE-2026-18942?
No fix has been published for CVE-2026-18942 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-18942 being exploited?
There is no known exploitation of CVE-2026-18942 in the wild and no public exploit code.
Sources
Also known as GHSA-55p8-2553-ch47.