CVE-2026-31049

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

14/04/2026

Last modified:

27/04/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

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