Auth bypass in Axxonsoft Axxonnet

CVE-2026-121024

Incorrect Authorization (CWE-863) in the Health Monitoring service in AxxonSoft AxxonNet before 3.28.0 on Linux allows a remote attacker in possession of a shared report token, which is intended for read-only access, to create, modify or delete monitoring alerts via the monitoring API.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-121024?
CVE-2026-121024 is a medium-severity vulnerability in Axxonsoft Axxonnet, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2026-11-03.
How severe is CVE-2026-121024?
Medium severity. CVSS v3 base score is 5.4 out of 10.