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THREATINT
PUBLISHED

CVE-2025-46342

Kyverno vulnerable to bypass of policy rules that use namespace selectors in match statements



Description

Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.13.5 and 1.14.0, it may happen that policy rules using namespace selector(s) in their match statements are mistakenly not applied during admission review request processing due to a missing error propagation in function `GetNamespaceSelectorsFromNamespaceLister` in `pkg/utils/engine/labels.go`. As a consequence, security-critical mutations and validations are bypassed, potentially allowing attackers with K8s API access to perform malicious operations. This issue has been patched in versions 1.13.5 and 1.14.0.

Reserved 2025-04-22 | Published 2025-04-30 | Updated 2025-04-30 | Assigner GitHub_M


HIGH: 8.6CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-1287: Improper Validation of Specified Type of Input

Product status

< 1.13.5
affected

>= 1.14.0-alpha.1, < 1.14.0
affected

References

github.com/...yverno/security/advisories/GHSA-jrr2-x33p-6hvc

github.com/...ommit/3ff923b7756e1681daf73849954bd88516589194

cve.org (CVE-2025-46342)

nvd.nist.gov (CVE-2025-46342)

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