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CVE PROGRAM SOURCE RECORD9.9 Critical

CVE-2026-40472

Hackage package metadata stored XSS vulnerability

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

hackage-server

Default version status: unaffected

  • 0.1 to < *affected

References