CVE-2026-48920
8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
Description
Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as `base64` in email content by setting the `data-inline` attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify `file:` URLs for images to read arbitrary files from the Jenkins controller filesystem.
Affected (2)
Products: Jenkins: Email Extension
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 1925.v1598902b_58dd |
References (1)
Source: jenkinsci-cert@googlegroups.com
Vendor Advisory
Timeline
No history available yet.