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CVE-2026-92760 (GCVE-0-2026-92760)

Vulnerability from cvelistv5 – Published: 2026-09-16 20:32 – Updated: 2026-09-16 20:32
VLAI
Title
Shlink through 5.1.6 Mercure Token Authorization Bypass
Summary
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.
Severity
7.1 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-863 - Incorrect Authorization
Assigner
References
Impacted products
Vendor Product Version CPE status
shlinkio shlink Affected: 0 , ≤ 5.1.6 (semver)
guessed Create a notification for this product.
Date Public
2026-06-20 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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    "datePublished": "2026-09-16T20:32:27.683Z",
    "dateReserved": "2026-09-16T19:06:20.161Z",
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    "state": "PUBLISHED"
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}



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