CVE-2026-108107: SQL Injection (CVSS 9.8)

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.

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CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0041

Probability of exploitation

0.34%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-89 SQL Injection

References

Other References

https://github.com/hotspotbilling/phpnuxbill https://github.com/hotspotbilling/phpnuxbill/blob/2025.3.13/radius.php#L277 https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-q8ch-r8cv-q579 https://www.vulncheck.com/advisories/phpnuxbill-through-2025.3.20-unauthenticated-sql-injection-via-radius-php https://github.com/hotspotbilling/phpnuxbill/security/advisories/GHSA-q8ch-r8cv-q579

Frequently Asked Questions

What is CVE-2026-108107? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-108107? +

CVE-2026-108107 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0041, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-108107? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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