CVE-2026-48920High· 8.8▾ TwilightJenkins 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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.5%
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.
email_extension <= 1925.v1598902b_58ddemail_extension = 1933.v45cec755423fRefer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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