GitHub Advisoryadvisory · npm
GHSA-2crg-3p73-43xp @sveltejs/adapter-node has a BODY_SIZE_LIMIT bypass
HIGH
Official page ↗
- Aliases
- CVE-2026-40073
- Ecosystem
- npm
- Packages
- @sveltejs/kit
- Severity
- High
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-770
- Reviewed
- 2026-04-10
Affected packages
• npm @sveltejs/kit: < 2.57.1 → fixed in 2.57.1
Description
Under certain circumstances, requests could bypass the `BODY_SIZE_LIMIT` on SvelteKit applications running with `adapter-node`. This bypass does not affect body size limits at other layers of the application stack, so limits enforced in the WAF, gateway, or at the platform level are unaffected.
Related
Alias · CVE (1)
- CVE-2026-40073 SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. vulnerability
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://github.com/sveltejs/kit/security/advisories/GHSA-2crg-3p73-43xp web
- https://nvd.nist.gov/vuln/detail/CVE-2026-40073 advisory
- https://github.com/sveltejs/kit/commit/3202ed6c98f9e8d86bf0c4c7ad0f2e273e5e3b95 web
- https://github.com/sveltejs/kit package
- https://github.com/sveltejs/kit/releases/tag/%40sveltejs%2Fkit%402.57.1 web
- https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected] web