SvelteKit: ReDoS (O(n^2)) in content negotiation — unauthenticated DoS via the Accept header

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-66062 · Microsoft / collected KEV context

EUVD-2026-54557

GHSA-29g2-3rmr-qm68

cve-program · CVE-2026-66062

• https://github.com/sveltejs/kit/security/advisories/GHSA-29g2-3rmr-qm68
• https://github.com/sveltejs/kit/commit/82712fc02c24b1dcf5b25d7a52129cd8455f04f5
• https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]

euvd · EUVD-2026-54557

• https://github.com/sveltejs/kit/security/advisories/GHSA-29g2-3rmr-qm68
• https://github.com/sveltejs/kit/commit/82712fc02c24b1dcf5b25d7a52129cd8455f04f5
• https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]

nvd · CVE-2026-66062

• https://github.com/sveltejs/kit/commit/82712fc02c24b1dcf5b25d7a52129cd8455f04f5
• https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]
• https://github.com/sveltejs/kit/security/advisories/GHSA-29g2-3rmr-qm68

osv · GHSA-29g2-3rmr-qm68

• https://github.com/sveltejs/kit/security/advisories/GHSA-29g2-3rmr-qm68
• https://github.com/sveltejs/kit/commit/82712fc02c24b1dcf5b25d7a52129cd8455f04f5
• https://github.com/sveltejs/kit
• https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected]

No related operational record is retained in the current change model.