CVE-2026-119549
High · 7.1CVSS
7.1
EPSS
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Published
Oct 30, 2026
CISA due date
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The record
Jellyfin through 12.4 contains a server-side request forgery vulnerability that lets authenticated users bypass SvgSecurityValidator by embedding gzip-compressed SVG in non-SVG image data URIs. Attackers can upload such profile images via POST /UserImage, then trigger unauthenticated rendering via GET /UserImage to fetch internal URLs, read local image files, or exhaust memory.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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