CVE-2026-18620 Data-sciences-pipeline: user-controlled serviceaccount for workflow pods without authorization check — confused deputy
A restricted user can specify a privileged ServiceAccount to bypass authorization, enabling privilege escalation, secret disclosure, and command execution in other pods.
- 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-2026-18620?
CVE-2026-18620 is a high-severity vulnerability in Red Hat OpenShift AI 2.25, published on 10 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 Data Science Pipelines. A restricted user, or tenant, can exploit an improper authorization vulnerability in the setDefaultServiceAccount function. By specifying a more privileged ServiceAccount (SA) during a CreateRun request, an attacker can bypass authorization checks. This allows the tenant to run their containers with elevated privileges, potentially leading to the disclosure of sensitive information (secrets) and the ability to execute commands within other users' pods.
Weakness: CWE-639
Which versions are affected by CVE-2026-18620?
How do I fix CVE-2026-18620?
No fix has been published for CVE-2026-18620 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-18620 being exploited?
There is no known exploitation of CVE-2026-18620 in the wild and no public exploit code.
Sources
Also known as GHSA-g68c-wmxr-x3rh.