Description
OpsTree BuildPiper before 2.7.0 contains a privilege escalation vulnerability that allows project users to gain Kubernetes cluster-admin rights by submitting unrestricted manifests through the Additional Manifest feature. Attackers can deploy a ClusterRoleBinding binding a service account to cluster-admin, which the pipeline applies with cluster-wide credentials, granting control over all workloads and secrets.
Published: 2026-11-13
Score: 9.4 Critical
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Fri, 13 Nov 2026 09:45:00 +0000

Type Values Removed Values Added
Description OpsTree BuildPiper before 2.7.0 contains a privilege escalation vulnerability that allows project users to gain Kubernetes cluster-admin rights by submitting unrestricted manifests through the Additional Manifest feature. Attackers can deploy a ClusterRoleBinding binding a service account to cluster-admin, which the pipeline applies with cluster-wide credentials, granting control over all workloads and secrets.
Title OpsTree BuildPiper before 2.7.0 Privilege Escalation via Additional Manifest
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-13T09:34:27.520Z

Reserved: 2026-11-12T14:12:07.370Z

Link: CVE-2026-127073

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-13T10:18:03.200

Modified: 2026-11-13T15:45:24.843

Link: CVE-2026-127073

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses