CVE-2026-128123

MEDIUMCVSS 5.90% EPSS

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From version 5.5.7 until versions 5.5.8 and 6.0.1, , @sveltejs/adapter-node can attempt to add a header to an immutable request in a context that causes the server to crash, denying service to any other requests routed to that server. This issue is fixed in 5.5.8 and 6.0.1.

Published 2026-11-13 · last modified 2026-11-13

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.