CVE-2026-27119

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CVSS 4.0

5.1 medium

EPSS

<1%p8

Published

Feb 20, 2026 (Feb 20, 2026)

Modified

Jun 17, 2026

Description

svelte performance oriented web framework. From 5.39.3, element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

Vendors: svelte
Products: svelte
Weakness: CWE-79
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD CVE.org GitHub PoCs EPSS (0.2%)

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