CVE-2026-44283
etcd: Read access via PrevKv in etcd transactions may bypass RBAC authorization checks
0.0
NONE
CVSS 3.1
EPSS 0.22%
描述
etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user without sufficient read or lease-related permissions may be able to access unauthorized data or attach leases by invoking transaction operations with these features enabled. This vulnerability is fixed in 3.4.44, 3.5.30, and 3.6.11.
如何修補 CVE-2026-44283
要修補 CVE-2026-44283,請將受影響套件升級到下列已修補版本。
- —升級至 3.4.44 或更新版本
- —未列出修補版本
- —升級至 3.4.44 或更新版本
- —升級至 3.6.11 或更新版本
CVE-2026-44283 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(4)
- from 0, < 3.4.44, >= 3.5.0, < 3.5.30, >= 3.6.0, < 3.6.11
- from 0
- from 0, < 3.4.44
- >= 3.6.0, < 3.6.11
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | NONE0.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N |