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CVE-2026-48920

8.8 high SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.8 · jenkinsNVD modified 2026-10-14 20:10

Affected (CPE criteria) 2

  • cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*
  • cpe:2.3:a:jenkins:email_extension:1933.v45cec755423f:*:*:*:*:jenkins:*:*

References 1