What is CVE-2025-55754?

CVE-2025-55754 is a critical-severity vulnerability in Apache Tomcat, classified under CWE-150. CVSS score: 9.6/10. Published 2025-10-27.

How severe is CVE-2025-55754?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Apache Tomcat

CVE-2025-55754

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. Tomcat did not escape ANSI escape sequences in log messages. If Tomcat was running in a console on a Windows operating system, and the console s…

EPSS: 0.001 (33.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Apache Tomcat
Apache Software Foundation Tomcat — versions 11.0.0-M1, 10.1.0-M1, 9.0.40

Weakness classification (CWE)

CWE-150

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

Frequently asked questions

What is CVE-2025-55754?: CVE-2025-55754 is a critical-severity vulnerability in Apache Tomcat, classified under CWE-150. CVSS score: 9.6/10. Published 2025-10-27.
How severe is CVE-2025-55754?: Critical severity. CVSS v3 base score is 9.6 out of 10.