Public vulnerability disclosure

CVE-2026-121024

Read-Only Shared Token Allows Modification of Monitoring Alerts in AxxonNet

publishedCWE-863

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.

Technical severity5.4 mediumCVSS 3.1 · CNA: AxxonSoft
Published2026-11-03Source updated 2026-11-03
Collected2026-11-031 attributed source

Fixes and workarounds

Fix

Upgrade AxxonNet to version 3.28.0 or later. Revoke and reissue shared report tokens that were distributed before the upgrade, and review the monitoring alert configuration for unauthorized changes.

Source: CNA: AxxonSoft

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
AxxonNet
AxxonSoft
Platforms: Linux
≥ 0; < 3.28.0 (affected, semver)
Other versions: unaffected
CNA: AxxonSoft

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 5.4
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LCNA: AxxonSoft
4.0 / 5.3
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:NCNA: AxxonSoft

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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