CVE-2026-58115 Missing authorization in SIMATIC IoT2050 Advanced
Unauthenticated remote attackers can execute arbitrary code with maximum privileges on SIMATIC IoT2050 devices via the Node-RED interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-58115?
CVE-2026-58115 is a critical missing authorization vulnerability in Siemens SIMATIC IoT2050 Advanced, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC IoT2050 Advanced (6ES7647-0BA00-1YA2) (All versions < V4.3.4.1 running Industrial OS with Node-RED installed). Affected devices do not enforce authentication on the Node-RED HTTP interface, allowing unauthenticated access to programming nodes that are capable of executing system commands on the server. This could allow an unauthenticated remote attacker to create malicious flows through the HTTP interface in order to execute arbitrary code on the underlying server with maximum privileges.
Weakness: CWE-306
Which versions are affected by CVE-2026-58115?
How do I fix CVE-2026-58115?
No fix has been published for CVE-2026-58115 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-58115 being exploited?
There is no known exploitation of CVE-2026-58115 in the wild and no public exploit code.
Sources
Also known as GHSA-mmh6-f99q-64fh.