CVE-2026-16315
Authentication and authorization bypass via cryptographic timing side-channel attack in StationGuard
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.
INFO
Published Date :
Aug. 6, 2026, 2:16 p.m.
Last Modified :
Oct. 23, 2026, 9:10 p.m.
Remotely Exploit :
Yes !
Source :
57995746-fc30-4a4d-94f6-a13d079c41f4
Affected Products
The following products are affected by CVE-2026-16315
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 57995746-fc30-4a4d-94f6-a13d079c41f4 | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 4.0 | HIGH | 57995746-fc30-4a4d-94f6-a13d079c41f4 | ||||
| CVSS 4.0 | HIGH | 57995746-fc30-4a4d-94f6-a13d079c41f4 |
Solution
- Update to version 4.10 or later.
- Apply vendor patches if available.
- Review authentication configurations.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-16315.
| URL | Resource |
|---|---|
| https://www.omicronenergy.com/.well-known/csaf/osa-21.json |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-16315 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-16315
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-16315 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-16315 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Translated by [email protected]
Oct. 23, 2026
Action Type Old Value New Value Added Translation Title: OMICRON StationGuard de OMICRON electronics GmbH, Description: OMICRON StationGuard antes de la versión 4.10 contiene una vulnerabilidad de canal lateral de tiempo criptográfico en el mecanismo de autenticación del backend que puede permitir a un atacante no autenticado forjar credenciales de autenticación válidas, eludir la autenticación y la autorización, e suplantar a clientes legítimos. Un atacante puede obtener acceso completo a la configuración del sistema, permitiendo la modificación, el restablecimiento o la alteración no autorizada de los parámetros del sistema. -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 06, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-16315', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-06T14:44:26.820604Z'} -
New CVE Received by 57995746-fc30-4a4d-94f6-a13d079c41f4
Aug. 06, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'OMICRON electronics GmbH', 'product': 'OMICRON StationGuard', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '4.10', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N Added CWE CWE-208 Added Reference https://www.omicronenergy.com/.well-known/csaf/osa-21.json