{"cve":"CVE-2026-119549","nvd":{"published":"2026-10-30T12:16:41.330","modified":"2026-10-30T12:16:41.330","status":"Received","description":"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.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","score":7.1},"cwes":["CWE-918"],"references":["https://abraxaslabs.tech/research/jellyfin-svg-gzip","https://github.com/jellyfin/jellyfin","https://github.com/jellyfin/jellyfin/blob/v12.4/Jellyfin.Api/Controllers/ImageController.cs#L96","https://github.com/jellyfin/jellyfin/blob/v12.4/src/Jellyfin.Drawing.Skia/SvgSecurityValidator.cs#L169-L173","https://github.com/jellyfin/jellyfin/security/advisories/GHSA-cf3c-8m59-2vhx"],"products":[],"source":"nvd","synced_at":"2026-10-30T12:42:57.962919830+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}