CVE-2026-40472

Hackage package metadata stored XSS vulnerability

CVSS 9.9 CRITICALEPSS 0.3%CWE-79

In hackage-server, user-controlled metadata from .cabal files are rendered into HTML href attributes without proper sanitization, enabling stored Cross-Site Scripting (XSS) attacks.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Productos afectados

hackage-server

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Referencias

https://osv.dev/vulnerability/HSEC-2026-0004