Improper Output Neutralization for Logs in Apache Tomcat - CVE-2025-55754
Published: October 27, 2025 / Updated: October 29, 2025
Vulnerability identifier: #VU117680
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-55754
CWE-ID: CWE-117
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Tomcat
Apache Tomcat
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary OS commands.
The vulnerability exists due to improper input validation of ANSI escape sequences in log messages. A remote attacker can use a crafted URL to inject ANSI escape sequences to manipulate the console and the clip-boardand potentially execute arbitrary code.
The vulnerability affects Windows installations only.
How to mitigate CVE-2025-55754
Install updates from vendor's website.