Critical severity9.6NVD Advisory· Published Apr 23, 2026· Updated Apr 24, 2026
CVE-2026-40471
CVE-2026-40471
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).
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Affected products
2Patches
Vulnerability mechanics
References
1News mentions
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