CVE-2026-40471

Hackage CSRF vulnerability

State: Published
Severity: 9.6 Critical
Published: Apr 23, 2026
Updated: Apr 23, 2026
Reserved: Apr 13, 2026

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).

Scores

CVSS	Score	Vector	Source
3.1	9.6 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L	redhat-cnalr

Weaknesses

CWE-352 Cross-Site request forgery (CSRF)

Affected Products

Product	Versions
hackage-server	0.1 and laterAffected

References

https://osv.dev/vulnerability/HSEC-2026-0002

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