CVE-2026-97146
Received Received - Intake

Apache YuniKorn Pod Label Bypass Vulnerability

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: Apache Software Foundation

Description
Apache YuniKorn 1.9.0 and earlier allows bypassing the check for the user annotation by setting a secondary label on the pod. If the pod has the label 'app=yunikorn' the checks limiting the user annotation content are not run. The label is used to identify the YuniKorn application itself in the deployments. The bypass allows any user to specify an arbitrary user info annotation. The arbitrary user information could allow access to a queue that the user normally would not have access to. Quota usage for the queue might be impacted if the application runs in the incorrect queue. User based quota enforcement is also based on the user annotation. User quota tracking could be side stepped even if the application runs in the correct queue. Users are recommended to upgrade to version 1.10.0, which fixes this issue.

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Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
CVE-2026-97146
EUVD
EUVD-2026-94257

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Apache Software Foundation Apache YuniKorn 0

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Exploitability

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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in Apache YuniKorn 1.9.0 and earlier allows bypassing user annotation checks by setting a secondary label on a pod with the label 'app=yunikorn'. This bypass enables users to specify arbitrary user info annotations, potentially granting access to restricted queues or bypassing user-based quota enforcement.

Impact Analysis

The vulnerability could allow unauthorized access to queues you normally wouldn't have permission to use. It may also impact quota usage tracking, as user-based quotas could be bypassed even if the application runs in the correct queue.

Mitigation Strategies

Upgrade Apache YuniKorn to version 1.10.0 or later to address the bypass vulnerability. Review pods with the 'app=yunikorn' label to ensure no unauthorized user annotations are present.

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