CVE-2026-92760
Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
16/09/2026
Última modificación:
23/09/2026
Descripción
*** Pendiente de traducción *** Shlink through 5.1.6 fails to enforce API key role restrictions when issuing Mercure subscription tokens, allowing restricted keys to subscribe to all topics. Attackers with author-only or domain-only keys can access the mercure-info endpoint to receive visit data including referrer, user agent, geolocation, and full short URL objects for URLs outside their authorization boundary.
Impacto
Puntuación base 4.0
7.10
Gravedad 4.0
ALTA
Puntuación base 3.x
6.50
Gravedad 3.x
MEDIA
Referencias a soluciones, herramientas e información
- https://github.com/shlinkio/shlink
- https://github.com/shlinkio/shlink-common/blob/main/src/Mercure/LcobucciJwtProvider.php#L38-L41
- https://github.com/shlinkio/shlink/blob/v5.1.6/module/Rest/src/Action/MercureInfoAction.php#L26-L42
- https://github.com/shlinkio/shlink/issues/2633
- https://www.vulncheck.com/advisories/shlink-through-5.1.6-mercure-token-authorization-bypass
- https://github.com/shlinkio/shlink/issues/2633


