CVE-2026-48920

CVSS Score & Metrics

Base Score

8.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability 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.

Vulnerability Details

Published Date

May 27, 2026

Last Modified

May 27, 2026

CWE ID

CWE-73

Source

NVD

Vendor

Jenkins Project

Product

Jenkins Email Extension Plugin

External References

https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3705

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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