# @sveltejs/kit (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/sveltejs-kit Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/sveltejs-kit.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 21 vulnerabilities in @sveltejs/kit (npm): 0 in the last 7 days and 10 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, SvelteKit XSS via cache-control header in prerendered pages, was published on 21 October 2026. 4 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 4 - Last 90 days: 10 - All time: 21 (0 critical, 0 exploited in the wild) ## About @sveltejs/kit (npm) Application framework for building web applications with Svelte. ## Latest @sveltejs/kit (npm) vulnerabilities - [SvelteKit XSS via cache-control header in prerendered pages](https://junglewise.ai/threats/duplicate-advisory-sveltekit-before-3-0-0-xss-via-cache-control-header-5731f4e1) (medium, CVSS 4.7, published 21 Oct 2026) - [SvelteKit open redirect in enhanced form actions](https://junglewise.ai/threats/duplicate-advisory-sveltekit-before-3-0-0-open-redirect-via-enhanced-9a8dcd94) (medium, CVSS 4.7, published 21 Oct 2026) - [CVE-2026-114061: SvelteKit cross-site scripting in prerendered pages](https://junglewise.ai/threats/cve-2026-114061-sveltekit-sveltejs-kit-before-3-0-0-contains-a-cross-site) (medium, CVSS 4.7, published 21 Oct 2026) - [CVE-2026-114060: SvelteKit open redirect in enhanced form actions](https://junglewise.ai/threats/cve-2026-114060-sveltekit-sveltejs-kit-before-3-0-0-contains-an-open-redirect) (medium, CVSS 4.7, published 21 Oct 2026) - [CVE-2026-82261: SvelteKit CPU exhaustion in remote form deserialization](https://junglewise.ai/threats/cve-2026-82261-sveltekit-cpu-exhaustion-in-remote-form-deserialization) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-82260: SvelteKit memory exhaustion in remote form deserialization](https://junglewise.ai/threats/cve-2026-82260-sveltekit-memory-exhaustion-in-remote-form-deserialization) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-82259: SvelteKit deserialization expansion in form remote function](https://junglewise.ai/threats/cve-2026-82259-sveltekit-deserialization-expansion-in-form-remote-function) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-82258: SvelteJS Kit query.batch cross-talk vulnerability](https://junglewise.ai/threats/cve-2026-82258-sveltejs-kit-query-batch-cross-talk-vulnerability) (medium, CVSS 4.8, published 28 Aug 2026) - [CVE-2026-82257: SvelteKit prototype pollution in file input deletion](https://junglewise.ai/threats/cve-2026-82257-sveltekit-prototype-pollution-in-file-input-deletion) (medium, CVSS 4.3, published 28 Aug 2026) - [CVE-2026-82256: SvelteKit unhandled promise rejection in form payload handling](https://junglewise.ai/threats/cve-2026-82256-sveltekit-unhandled-promise-rejection-in-form-payload-handling) (medium, CVSS 5.3, published 28 Aug 2026) - [CVE-2026-66062: Svelte SvelteKit ReDoS in Accept header content negotiation](https://junglewise.ai/threats/cve-2026-66062-svelte-sveltekit-redos-in-accept-header-content-negotiation) (medium, CVSS 5.3, published 7 Aug 2026) - [CVE-2026-40074: Svelte SvelteKit denial of service in redirect function](https://junglewise.ai/threats/cve-2026-40074-svelte-sveltekit-denial-of-service-in-redirect-function) (high, CVSS 7.5, published 10 Apr 2026) - [CVE-2026-40073: Svelte SvelteKit body size limit bypass in adapter-node](https://junglewise.ai/threats/cve-2026-40073-svelte-sveltekit-body-size-limit-bypass-in-adapter-node) (high, CVSS 7.5, published 10 Apr 2026) - [CVE-2026-22803: SvelteKit memory amplification DoS in form deserializer](https://junglewise.ai/threats/cve-2026-22803-sveltekit-memory-amplification-dos-in-form-deserializer) (medium, CVSS 4, published 15 Jan 2026) - [CVE-2025-67647: SvelteKit denial of service and SSRF in prerendering](https://junglewise.ai/threats/cve-2025-67647-sveltekit-denial-of-service-and-ssrf-in-prerendering) (medium, CVSS 4, published 15 Jan 2026) - [CVE-2025-32388: @sveltejs/kit vulnerable to Cross-site Scripting via tracked search_params](https://junglewise.ai/threats/cve-2025-32388-sveltekit-cross-site-scripting-via-tracked-search-parameters) (medium, CVSS 5.4, published 14 Apr 2025) - [CVE-2024-53261: SvelteJS Kit cross-site scripting in dev mode 404 page](https://junglewise.ai/threats/cve-2024-53261-sveltejs-kit-cross-site-scripting-in-dev-mode-404-page) (low, CVSS 3.1, published 25 Nov 2024) - [CVE-2024-53262: @sveltejs/kit has unescaped error message included on error page](https://junglewise.ai/threats/cve-2024-53262-sveltejs-kit-unescaped-error-message-xss-on-error-page) (medium, CVSS 4.2, published 25 Nov 2024) - [CVE-2024-23641: Sending a GET or HEAD request with a body crashes SvelteKit](https://junglewise.ai/threats/cve-2024-23641-sveltekit-denial-of-service-via-get-head-requests-with-body) (high, CVSS 7.5, published 24 Jan 2024) - [CVE-2023-29008: SvelteKit framework has Insufficient CSRF protection for CORS requests](https://junglewise.ai/threats/cve-2023-29008-sveltekit-insufficient-csrf-protection-in-cors-requests) (high, CVSS 8.8, published 7 Apr 2023) - [CVE-2023-29003: SvelteKit vulnerable to Cross-Site Request Forgery](https://junglewise.ai/threats/cve-2023-29003-sveltekit-insufficient-cross-site-request-forgery-protection) (high, CVSS 8.8, published 4 Apr 2023) ## Most severe @sveltejs/kit (npm) vulnerabilities - [CVE-2023-29003: SvelteKit vulnerable to Cross-Site Request Forgery](https://junglewise.ai/threats/cve-2023-29003-sveltekit-insufficient-cross-site-request-forgery-protection) (high, CVSS 8.8, published 4 Apr 2023) - [CVE-2023-29008: SvelteKit framework has Insufficient CSRF protection for CORS requests](https://junglewise.ai/threats/cve-2023-29008-sveltekit-insufficient-csrf-protection-in-cors-requests) (high, CVSS 8.8, published 7 Apr 2023) - [CVE-2026-40073: Svelte SvelteKit body size limit bypass in adapter-node](https://junglewise.ai/threats/cve-2026-40073-svelte-sveltekit-body-size-limit-bypass-in-adapter-node) (high, CVSS 7.5, published 10 Apr 2026) - [CVE-2024-23641: Sending a GET or HEAD request with a body crashes SvelteKit](https://junglewise.ai/threats/cve-2024-23641-sveltekit-denial-of-service-via-get-head-requests-with-body) (high, CVSS 7.5, published 24 Jan 2024) - [CVE-2026-40074: Svelte SvelteKit denial of service in redirect function](https://junglewise.ai/threats/cve-2026-40074-svelte-sveltekit-denial-of-service-in-redirect-function) (high, CVSS 7.5, published 10 Apr 2026) - [CVE-2026-82259: SvelteKit deserialization expansion in form remote function](https://junglewise.ai/threats/cve-2026-82259-sveltekit-deserialization-expansion-in-form-remote-function) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-82261: SvelteKit CPU exhaustion in remote form deserialization](https://junglewise.ai/threats/cve-2026-82261-sveltekit-cpu-exhaustion-in-remote-form-deserialization) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2026-82260: SvelteKit memory exhaustion in remote form deserialization](https://junglewise.ai/threats/cve-2026-82260-sveltekit-memory-exhaustion-in-remote-form-deserialization) (high, CVSS 7.5, published 28 Aug 2026) - [CVE-2025-32388: @sveltejs/kit vulnerable to Cross-site Scripting via tracked search_params](https://junglewise.ai/threats/cve-2025-32388-sveltekit-cross-site-scripting-via-tracked-search-parameters) (medium, CVSS 5.4, published 14 Apr 2025) - [CVE-2026-66062: Svelte SvelteKit ReDoS in Accept header content negotiation](https://junglewise.ai/threats/cve-2026-66062-svelte-sveltekit-redos-in-accept-header-content-negotiation) (medium, CVSS 5.3, published 7 Aug 2026) ## Vulnerabilities per week 4 vulnerabilities in the last four weeks, up from none in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 6 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 4 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other npm technologies - [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities - [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities - [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities - [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities - [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities - [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities - [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities - [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities - [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities - [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities - [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities - [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "@sveltejs/kit (npm) vulnerabilities", https://junglewise.ai/threats/technologies/sveltejs-kit, 13 November 2026.