CX-Designer Ver.3.740 and earlier (included in CX-One CXONE-AL[][]D-V4) contains an improper restriction of XML external entity reference (XXE) vulnerability. If a user opens a specially crafted project file created by an attacker, sensitive information in the file system where CX-Designer is installed may be disclosed.
https://www.fa.omron.co.jp/product/security/assets/pdf/en/OMSR-2023-011_en.pdf