CVE-2026-92760 — Shlink through 5.1.6 Mercure Token Authorization Bypass
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 aut…
Published: 2026-09-16 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7