Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have unbounded memory consumption in Kyverno's policy engine that allows users with policy creation privileges to cause denial of service by crafting policies that exponentially amplify string data through context variables. Versions 1.16.3 and 1.15.3 contain a patch for the vulnerability.
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Tue, 27 Jan 2026 20:30:00 +0000
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Tue, 27 Jan 2026 17:15:00 +0000
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Tue, 27 Jan 2026 16:30:00 +0000
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| Description | Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have unbounded memory consumption in Kyverno's policy engine that allows users with policy creation privileges to cause denial of service by crafting policies that exponentially amplify string data through context variables. Versions 1.16.3 and 1.15.3 contain a patch for the vulnerability. | |
| Title | Kyverno Denial of Service via Context Variable Amplification in Policy Engine | |
| Weaknesses | CWE-770 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2026-01-27T16:10:44.376Z
Updated: 2026-01-27T16:33:03.342Z
Reserved: 2026-01-16T21:02:02.900Z
Link: CVE-2026-23881
Updated: 2026-01-27T16:32:55.203Z
Status : Awaiting Analysis
Published: 2026-01-27T17:16:12.733
Modified: 2026-01-29T16:31:35.700
Link: CVE-2026-23881
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