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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-r2rj-wwm5-x6mq | Kyverno Denial of Service via Context Variable Amplification in Policy Engine |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 27 Jan 2026 17:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Tue, 27 Jan 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
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 : Received
Published: 2026-01-27T17:16:12.733
Modified: 2026-01-27T17:16:12.733
Link: CVE-2026-23881
No data.
OpenCVE Enrichment
No data.
Weaknesses
Github GHSA