Vulnerability · Published Oct 9, 2026 · Assigned by VulnCheck

CVE-2026-108107PHPNuxBill through 2025.3.20 Unauthenticated SQL Injection via radius.php

Critical 9.8

In plain English

A critical-severity SQL injection in phpnuxbill from hotspotbilling. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.4%top 64.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

PHPNuxBill through 2025.3.20 contains an unauthenticated SQL injection vulnerability in the radius.php FreeRADIUS REST endpoint that interpolates request parameters into whereRaw() queries. Attackers can send crafted username, macAddr or nasid parameters to the accounting or authenticate actions to extract customer records and credentials via time-based blind SQL injection.

Affected products (as reported)

Vendor	Product	Versions
hotspotbilling	phpnuxbill	0 – through 2025.3.20

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-q8ch-r8cv-q579) vendor-advisory
https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/radius.php#L277 technical-description
https://github.com/hotspotbilling/phpnuxbill product
VulnCheck Advisory: PHPNuxBill through 2025.3.20 Unauthenticated SQL Injection via radius.php third-party-advisory