CVE-2026-49095
Improper Input Validation in Kibana Fleet Leading to Privilege Escalation
6.5
MEDIUM
CVSS 3.1
EPSS 0.26%
描述
Improper Input Validation (CWE-20) in the Kibana Fleet agent policy management feature can lead to privilege escalation. An authenticated user with Fleet management privileges can manipulate agent policy configuration by injecting values into a configuration override mechanism that is not adequately validated. An attacker can cause Elastic Agents to be issued API keys with elevated Elasticsearch privileges, potentially granting unauthorized read and write access to sensitive Elasticsearch security indices beyond what is intended for the Fleet management role.
如何修補 CVE-2026-49095
要修補 CVE-2026-49095,請將受影響套件升級到下列已修補版本。
- —升級至 8.19.16 或更新版本
- —升級至 8.19.16 或更新版本
CVE-2026-49095 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 8.0.0, < 8.19.16, >= 9.0.0, < 9.3.5, >= 9.4.0, < 9.4.2
- >= 8.0.0, < 8.19.16, >= 9.0.0, < 9.3.5, >= 9.4.0, < 9.4.2
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:H/UI:N/S:U/C:H/I:H/A:N |