CVE-2026-1226
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Improper Code Generation in TGML Processing Enables Code Execution

Publication date: 2026-02-11

Last updated on: 2026-02-11

Assigner: Schneider Electric SE

Description
CWE‑94: Improper Control of Generation of Code vulnerability exists that could cause execution of untrusted or unintended code within the application when maliciously crafted design content is processed through a TGML graphics file.
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Meta Information
Published
2026-02-11
Last Modified
2026-02-11
Generated
2026-06-16
AI Q&A
2026-02-11
EPSS Evaluated
2026-06-15
NVD
CVE-2026-1226
EUVD
EUVD-2026-7074
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
schneider_electric ecostruxure_building_operation to 7.0.2 (exc)
schneider_electric ecostruxure_building_operation to 6.0.4.7000 (exc)
schneider_electric ecostruxure_building_operation to 7.0.3.2000 (exc)
schneider_electric ecostruxure_building_operation to 6.0.4.14001 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
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Executive Summary

[{'type': 'paragraph', 'content': "CVE-2026-1226 is a vulnerability classified as CWE-94: Improper Control of Generation of Code. It exists in Schneider Electric's EcoStruxure Building Operation (EBO) software platforms. The vulnerability allows execution of untrusted or unintended code within the application when a maliciously crafted TGML graphics file is processed. This means that if an attacker can supply a specially designed TGML file, the system may run harmful code that was not intended by the application developers."}] [1]

Impact Analysis

This vulnerability can lead to unauthorized code execution within the EBO system, which can compromise the confidentiality, integrity, and availability of the system. An attacker exploiting this flaw could potentially execute malicious code, causing data breaches, disruption of building management operations, or denial of service conditions. Since EBO manages building systems and devices to improve energy efficiency and performance, such an attack could impact building safety, operational continuity, and data security.

Compliance Impact

I don't know

Detection Guidance

The provided resources do not include specific detection commands or methods to identify this vulnerability on your network or system.

Mitigation Strategies

To mitigate CVE-2026-1226, immediate steps include upgrading the EcoStruxure Building Operation Workstation and WebStation software to version 7.0.2 or later for the 7.0.x series, or version 6.0.4.7000 (CP5) or later for the 6.0.x series.

If patches cannot be applied immediately, implement strong access controls limiting system access to authorized personnel, use multi-factor authentication for EBO version 7.0 or later, employ firewalls to segregate networks and protect the building management system, regularly monitor system activity, and follow EBO hardening guidelines.

  • Upgrade to EcoStruxure Building Operation Workstation and WebStation version 7.0.2 or later (7.0.x series).
  • Upgrade to version 6.0.4.7000 (CP5) or later (6.0.x series).
  • Implement strong access controls limiting system access to authorized personnel.
  • Use multi-factor authentication for EBO version 7.0 or later.
  • Employ firewalls to segregate networks and protect the building management system.
  • Regularly monitor system activity.
  • Follow EBO hardening guidelines.
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