CVE-2026-92760
Shlink through 5.1.6 fails to enforce API key role restrictions when issuing Mercure subscription tokens, allowing restricted keys to subscr
CVSS
6.5
Medio
EPSS
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KEV
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Exploit Today
0
0-100
Publicado: 16 sept 2026 · Última mod.: 16 sept 2026 · CWE-863
Sin historial EPSS suficiente todavía.
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.
- github.comhttps://github.com/shlinkio/shlink
- github.comhttps://github.com/shlinkio/shlink-common/blob/main/src/Mercure/LcobucciJwtProvider.php#L38-L41
- github.comhttps://github.com/shlinkio/shlink/blob/v5.1.6/module/Rest/src/Action/MercureInfoAction.php#L26-L42
- github.comhttps://github.com/shlinkio/shlink/issues/2633
- www.vulncheck.comhttps://www.vulncheck.com/advisories/shlink-through-5.1.6-mercure-token-authorization-bypass
CVECVSSEPSSKEVRExplotTítuloVis.
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