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CVE-2026-25223

HIGH

7.5

Beschreibung

Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vulnerability exists in Fastify where request body validation schemas specified by Content-Type can be completely circumvented. By appending a tab character (\t) followed by arbitrary content to the Content-Type header, attackers can bypass body validation while the server still processes the body as the original content type. This issue has been patched in version 5.7.2.

CVE Details

CVSS v3.1 Bewertung7.5

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht2/3/2026

Zuletzt geandert2/10/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

fastify:fastify

Schwachen (CWE)

CWE-436

Referenzen

https://fastify.dev/docs/latest/Reference/Validation-and-Serialization(security-advisories@github.com)

https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/content-type-parser.js#L125(security-advisories@github.com)

https://github.com/fastify/fastify/blob/759e9787b5669abf953068e42a17bffba7521348/lib/validation.js#L272(security-advisories@github.com)

https://github.com/fastify/fastify/commit/32d7b6add39ddf082d92579a58bea7018c5ac821(security-advisories@github.com)

https://github.com/fastify/fastify/security/advisories/GHSA-jx2c-rxcm-jvmq(security-advisories@github.com)

https://hackerone.com/reports/3464114(security-advisories@github.com)

IOC Korrelationen

Keine Korrelationen erfasst

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