CVE-2026-23881
Kyverno Denial of Service via Context Variable Amplification in Policy Engine
7.7
HIGH
CVSS 3.1
EPSS 0.53%
描述
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.
如何修補 CVE-2026-23881
要修補 CVE-2026-23881,請將受影響套件升級到下列已修補版本。
- —升級至 1.15.3 或更新版本
- —升級至 1.15.3 或更新版本
- —升級至 1.15.3 或更新版本
CVE-2026-23881 正在被利用嗎?
低 — EPSS 為 0.5%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 1.15.3, >= 1.16.0, < 1.16.3
- from 0, < 1.15.3
- from 0, < 1.15.3, >= 1.16.0-rc.1, < 1.16.3
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |