CVE-2021-40146: Apache ANY23

Critical severity, CVSS 9.8. EPSS: 5.7% chance of exploitation in the next 30 days.

A Remote Code Execution (RCE) vulnerability was discovered in the Any23 YAMLExtractor.java file and is known to affect Any23 versions < 2.5. RCE vulnerabilities allow a malicious actor to execute any code of their choice on a remote machine over LAN, WAN, or internet. RCE belongs to the broader class of arbitrary code execution (ACE) vulnerabilities.

Affected products

• Apache ANY23: before 2.5 (fixed in 2.5)

Published 2021-09-11. Last modified 2026-06-17.