CVE-2026-33002
Jenkins has a DNS rebinding vulnerability in WebSocket CLI origin validation
7.5
HIGH
CVSS 3.1
EPSS 0.30%
描述
Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected origin for comparison using the Host or X-Forwarded-Host HTTP request headers, making it vulnerable to DNS rebinding attacks that allow bypassing origin validation.
如何修補 CVE-2026-33002
要修補 CVE-2026-33002,請將受影響套件升級到下列已修補版本。
- —升級至 2.541.3 或更新版本
- —升級至 2.555 或更新版本
CVE-2026-33002 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)
- >= 2.426.3, < 2.541.3, >= 2.542.0, < 2.555.0
- >= 2.442, < 2.555
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |