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CVE-2026-108108

7.1, high

Hotspotbilling phpnuxbill Improper Authentication Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.1, high high CVSS v3.1
EPSS, next 30 days
0.2% higher than 12.7% of scored CVEs
Exploitation
No public evidence
Published
9 Oct 20268 days ago

Description

PHPNuxBill through 2025.3.20 contains an authentication bypass vulnerability in RADIUS CHAP verification because Password::chap_verify() returns true when the supplied response does not match. Attackers who know a valid customer or PPPoE username can log in through MikroTik hotspot or PPPoE CHAP with any incorrect password to obtain network access and consume that customer's plan.

Details

Vendor
Hotspotbilling
Product
phpnuxbill
Weakness
CWE-287 (opens in a new tab)
Status
Deferred
Updated
9 Oct 2026
Assigner
disclosure@vulncheck.com

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

References 4

Advisories 1

Other references 3

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Hotspotbilling CVEs

Every Hotspotbilling CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-108107 Hotspotbilling phpnuxbill SQL Injection Vulnerability EPSS 0.4% 9.8, critical

Beyond this page

Is CVE-2026-108108 in your network?

This page tells you how dangerous CVE-2026-108108 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-108108 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.