CVE-2021-34066: Edgegallery Developer-Be

Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days.

An issue was discovered in EdgeGallery/developer before v1.0. There is a "Deserialization of yaml file" vulnerability that can allow attackers to execute system command through uploading the malicious constructed YAML file.

Affected products

• Edgegallery Developer-Be: before 1.0 (fixed in 1.0)

Published 2021-08-30. Last modified 2026-06-17.