# CVE-2026-16315

## Summary

- **CVE ID:** CVE-2026-16315
- **Severity:** HIGH
- **CVSS Score:** 8.7 (CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U)
- **CWE:** CWE-208
- **Published:** Aug 6, 2026
- **Last Modified:** Aug 6, 2026

## Description

OMICRON StationGuard before version 4.10 contains a cryptographic timing side-channel vulnerability in the backend authentication mechanism that may allow an unauthenticated attacker to forge valid authentication credentials, bypass authentication and authorization, and impersonate legitimate clients.
An attacker can gain full access to the system configuration, allowing modification, reset, or unauthorized alteration of system parameters.

## Affected Products

- OMICRON electronics GmbH — OMICRON StationGuard (0)

## References

- [CNA](https://www.omicronenergy.com/.well-known/csaf/osa-21.json)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.26%
- **EPSS Percentile:** 17.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._