CVE-2026-0543
Improper Input Validation in Kibana Email Connector Leading to Excessive Allocation
6.5
MEDIUM
CVSS 3.1
EPSS 0.37%
描述
Improper Input Validation (CWE-20) in Kibana's Email Connector can allow an attacker to cause an Excessive Allocation (CAPEC-130) through a specially crafted email address parameter. This requires an attacker to have authenticated access with view-level privileges sufficient to execute connector actions. The application attempts to process specially crafted email format, resulting in complete service unavailability for all users until manual restart is performed.
如何修補 CVE-2026-0543
要修補 CVE-2026-0543,請將受影響套件升級到下列已修補版本。
- —升級至 8.19.10 或更新版本
- —升級至 8.19.10 或更新版本
CVE-2026-0543 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 8.19.10, >= 9.0.0, < 9.1.10, >= 9.2.0, < 9.2.4
- from 0, < 8.19.10, >= 9.0.0, < 9.1.10, >= 9.2.0, < 9.2.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |