CVE-2026-40471

CRITICAL

9.6

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).

CVE Details

CVSS v3.1 Score9.6

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/23/2026

Last Modified4/24/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-352

References

https://osv.dev/vulnerability/HSEC-2026-0002(74b3a70d-cca6-4d34-9789-e83b222ae3be)

IOC Correlations

No correlations recorded

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