CVE-2026-33806

Katalog CVE

CVSS 7.5 · High EPSS 0,49%

Kerentanan Improper Validation of Specified Type of Input pada fastify. Skor CVSS 3.1 7.5 (High) menurut CNA.

Deskripsi (NVD)

Impact: Fastify applications using schema.body.content for per-content-type body validation can have validation bypassed entirely by prepending a space to the Content-Type header. The body is still parsed correctly but schema validation is skipped. This is a regression introduced in fastify >= 5.3.2 by the fix for CVE-2025-32442 Patches: Upgrade to fastify v5.8.5 or later. Workarounds: None. Upgrade to the patched version.

Rincian

Terbit di NVD

15 April 2026

Terakhir diubah

15 Juli 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1287: Improper Validation of Specified Type of Input
CWE-1289: Improper Validation of Unsafe Equivalence in Input

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cna.openjsf.org/security-advisories.html advisory vendor
• https://github.com/fastify/fastify/security/advisories/GHSA-mg2h-6x62-wpwc not applicable
• https://access.redhat.com/security/cve/CVE-2026-33806
• https://bugzilla.redhat.com/show_bug.cgi?id=2458596
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33806.json