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Critical · 9.6 CVE-2026-40471 EUVD-2026-25234GHSA-mf84-vmqg-86fmHSEC-2026-0002

Hackage CSRF vulnerability

Published Apr 23, 2026 · Updated Apr 23, 2026 · Assigned by redhat-cnalr

Description

hackage-server lacked Cross-Site Request Forgery (CSRF) protection across its endpoints. Scripts on foreign sites could trigger requests to hackage server, possibly abusing latent credentials to upload packages or perform other administrative actions. Some unauthenticated actions could also be abused (e.g. creating new user accounts).

Affected products

VendorProductAffectedFixed
— hackage-server 0.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
Hackage hackage-server >= 0.1 — HSEC-2026-0002

References