CVE-2026-18620: Data-sciences-pipeline: user-controlled serviceaccount for workflow pods without authorization check — confused deputy

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-10 · updated 2026-09-21
Weakness: CWE-639

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.

Affected products

Red Hat OpenShift AI 2.25: all versions — fixed in 1785189934, 1788256711
Red Hat OpenShift AI 3.3: all versions — fixed in 1785187920
Red Hat OpenShift AI 3.4: all versions — fixed in 1784924951, 1787173417
Red Hat OpenShift AI 3.5: all versions — fixed in 1786552250, 1786552271

How to fix

Upgrade to a fixed version: Red Hat OpenShift AI 2.25 1785189934, 1788256711; Red Hat OpenShift AI 3.3 1785187920; Red Hat OpenShift AI 3.4 1784924951, 1787173417; Red Hat OpenShift AI 3.5 1786552250, 1786552271. Check the vendor advisory for mitigations.

References

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