CVE-2026-31049

EUVD-2026-22253
An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code and escalate privileges via the CSV registration field
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
Common Weakness Enumeration
References
https://blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/
https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Missing%20Server-Side%20Validation/Registration%20fields%20%26%20Import%20Csv
https://hostbillapp.com/changelog
https://hostbillapp.com/release-notes/11-27-2025.html
https://hostbillapp.com/release-notes/12-01-2025.html
https://hostbillapp.com/responsible-disclosure