CVE-2026-1227 XML external entity in EcoStruxure Building Operation Webstation
A local user can upload a malicious TGML file to the EBO server, causing local file disclosure or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-1227?
CVE-2026-1227 is a high-severity vulnerability in Schneider Electric EcoStruxure Building Operation Webstation, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause unauthorized disclosure of local files, interaction within the EBO system, or denial of service conditions when a local user uploads a specially crafted TGML graphics file to the EBO server from Workstation.
Weakness: CWE-611
Which versions are affected by CVE-2026-1227?
How do I fix CVE-2026-1227?
No fix has been published for CVE-2026-1227 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1227 being exploited?
There is no known exploitation of CVE-2026-1227 in the wild and no public exploit code.
Sources
Also known as GHSA-67mv-4hj2-xp3g.