Jenkins Email Extension vulnerabilities
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Published CVEs affecting Jenkins Email Extension: 1 record(s), with affected versions and fixes.cpe:2.3:a:jenkins:email_extension
CVE-2026-48920
High · 8.8
CWE-73 May 27, 2026
Jenkins Email Extension Plugin: Attackers able to control email content may specify `file:` URLs for images to read arbitrary files from Jenkins controller filesystem
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.