CRITICAL: CVE-2026-31049 (CVSS 9.8) — multiple products

CVE: CVE-2026-31049

CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: CRITICAL

Status: Critical advisory

Affected

_See vendor advisory_

Summary

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

Verified Sources

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

_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._

Lyrie Verdict

A vulnerability of this severity is exactly what Lyrie's anti-rogue-AI defense is built for: continuous, autonomous monitoring that doesn't wait for human reaction time.

#critical