CVE-2026-93750
Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
18/09/2026
Última modificación:
23/09/2026
Descripción
*** Pendiente de traducción *** http-cache-semantics through 4.2.0 contains a cache validation vulnerability in the _varyMatches() function that fails to properly validate Vary header wildcards due to byte-for-byte string comparison. Attackers can request URLs previously fetched by other clients to receive cached responses intended for different users, disclosing sensitive information across clients.
Impacto
Puntuación base 4.0
8.20
Gravedad 4.0
ALTA
Puntuación base 3.x
5.90
Gravedad 3.x
MEDIA
Referencias a soluciones, herramientas e información
- https://github.com/kornelski/http-cache-semantics
- https://github.com/kornelski/http-cache-semantics/blob/f01112e954b83cfa8765b633ba880e5e980aa54c/index.js#L483-L501
- https://github.com/kornelski/http-cache-semantics/issues/57
- https://www.vulncheck.com/advisories/http-cache-semantics-through-4.2.0-cross-client-cache-disclosure-via-vary-wildcard
- https://github.com/kornelski/http-cache-semantics/issues/57


