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Known vulnerabilities in sveltejs devalue

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CVE Summary Score Published
CVE-2026-123569 Devalue before 5.6.3 Denial of Service via Sparse Array Serialization 8.7 High Nov 8, 2026
CVE-2026-123568 Sveltejs devalue before 5.6.3 Prototype Pollution via uneval Output 2.1 Low Nov 8, 2026
CVE-2026-123566 Devalue before 5.9.3 CPU Amplification Denial of Service via uneval 8.7 High Nov 8, 2026
CVE-2026-123567 Sveltejs devalue before 5.6.4 Prototype Injection via parse and unflatten 6.3 Medium Nov 8, 2026
CVE-2026-123565 Devalue before 5.9.3 Quadratic Expansion Denial of Service via uneval 8.7 High Nov 8, 2026
CVE-2026-123563 Devalue before 5.9.3 Typed-Array Allocation Validation Bypass via parse 8.7 High Nov 8, 2026
CVE-2026-123564 Sveltejs devalue before 5.9.3 Memory Exhaustion via uneval Sparse Arrays 8.7 High Nov 8, 2026
CVE-2026-123562 Devalue 5.8.0 before 5.9.3 Denial of Service via stringifyAsync Unhandled Rejection 8.7 High Nov 8, 2026
CVE-2026-123561 Sveltejs devalue before 5.9.3 __proto__ Rejection Bypass via Property-Key Coercion 6.3 Medium Nov 8, 2026
CVE-2026-92708 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 7.5 High Sep 18, 2026
CVE-2026-81176 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 5.3 Medium Sep 16, 2026
CVE-2026-42570 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 7.5 High Jun 9, 2026
CVE-2026-30226 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 6.3 Medium Mar 11, 2026
CVE-2026-22775 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 7.5 High Jan 15, 2026
CVE-2026-22774 Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for… 7.5 High Jan 15, 2026
CVE-2025-57820 Svelte devalue is a utility library 7.9 High Aug 26, 2025

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