CVE-2026-41187

MediumCVSS 6.5/10Last modified Aug 8, 2026

Description

Calico's apiserver wraps tier-scoped resources so that every operation runs through AuthorizeTierOperation, but the Delete override on NetworkPolicy, GlobalNetworkPolicy, and their staged variants is not invoked for DeleteCollection requests. A user holding the deletecollection verb or wildcard verbs on tier-scoped policy resources can bulk-delete policies in tiers they otherwise have no rights on, breaking the tier authorization boundary.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-285 CWE-863

Affected software

No affected versions have been published.

Timeline

Published: Jul 30, 2026
Last modified: Aug 8, 2026
NVD status: Analyzed

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