CVE-2026-12661

Description

A denial-of-service security issue exists within FactoryTalk® Historian Machine Edition.  A network adjacent attacker who is authenticated could send crafted requests to the web interface, resulting in buffer overflow conditions that may cause the device to crash and become unresponsive.

References

• https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1796.html