CVE-2026-40471

—

CVSS 3.1

9.6 critical

EPSS

<1%p3

Published

Apr 23, 2026 (Apr 23, 2026)

Modified

Jun 17, 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).

Weakness: CWE-352
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

NVD CVE.org GitHub PoCs EPSS (0.1%)

In the news0 stories

No ingested article mentions this CVE yet.