Vulnerability · Published Aug 6, 2026 · Assigned by OMICRON

CVE-2026-16315Authentication and authorization bypass via cryptographic timing side-channel attack in StationGuard

High 8.7

In plain English

A high-severity security flaw in OMICRON StationGuard from OMICRON electronics GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)8.7High

Exploit odds (30 days)0.4%top 63.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
OMICRON electronics GmbH	OMICRON StationGuard	0 – before 4.10

Weakness: CWE-208 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

References

https://www.omicronenergy.com/.well-known/csaf/osa-21.json vendor-advisory