CVE-2025-55754: Apache Tomcat: console manipulation via escape sequences in log messages
Vulnerability summary
CVE-2025-55754 is a critical (CVSS 9.6) vulnerability in apache software foundation apache tomcat. EPSS estimates a 10.17% chance of exploitation in the next 30 days, higher than 95.6% of scored vulnerabilities.
Severe, CVSS 9.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 10% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 20Timeline
- 27-10-2025PublishedVulnerability first disclosed.
- 12-05-2026Last modifiedVulnerability information updated.
Description
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 supported ANSI escape sequences, it was possible for an attacker to use a specially crafted URL to inject ANSI escape sequences to manipulate the console and the clipboard and attempt to trick an administrator into running an attacker controlled command. While no attack vector was found, it may have been possible to mount this attack on other operating systems. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.10, from 10.1.0-M1 through 10.1.44, from 9.0.40 through 9.0.108. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.60 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.11 or later, 10.1.45 or later or 9.0.109 or later, which fix the issue.
CVSS metrics
7 scores · 6 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · MavenEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- NVDNIST9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
10.17%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 10.17% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Chainguard15 products
- camunda-zeebe-8.6< 8.6.29-r2
- camunda-zeebe-8.6-compat< 8.6.29-r2
- camunda-zeebe-8.7< 8.7.16-r1
- camunda-zeebe-8.7-compat< 8.7.16-r1
- kayenta-2025.0< 2025.0.8-r3
Debian3 products
- tomcat10< 10.1.52-1~deb12u1 | < 10.1.52-1~deb13u1 | < 10.1.46-1
- tomcat11< 11.0.15-1~deb13u1 | < 11.0.11-1
- tomcat9< 9.0.70-2
Ubuntu3 products
- tomcat10All versions (No fix recorded)
- tomcat11All versions (No fix recorded)
- tomcat9All versions (No fix recorded)
Org.apache.tomcat2 products
- tomcat≥ 11.0.0-M1, < 11.0.11 | ≥ 10.1.0-M1, < 10.1.45 | ≥ 9.0.40, < 9.0.109 | ≥ 8.5.60, ≤ 8.5.100
- tomcat-catalina≥ 11.0.0-M1, < 11.0.11 | ≥ 10.1.0-M1, < 10.1.45 | ≥ 9.0.40, < 9.0.109 | ≥ 8.5.60, ≤ 8.5.100
Apache1 product
- tomcat≥ 8.5.60, ≤ 8.5.100 | ≥ 9.0.40, < 9.0.109 | ≥ 10.0.0, < 10.0.27 | ≥ 10.1.0, < 10.1.45 | ≥ 11.0.0, < 11.0.11
Apache software foundation1 product
- apache tomcat≥ 11.0.0-M1, ≤ 11.0.10 | ≥ 10.1.0-M1, ≤ 10.1.44 | ≥ 9.0.40, ≤ 9.0.108 | ≥ 8.5.60, ≤ 8.5.100
Org.apache.tomcat.embed1 product
- tomcat-embed-core≥ 11.0.0-M1, < 11.0.11 | ≥ 10.1.0-M1, < 10.1.45 | ≥ 9.0.40, < 9.0.109 | ≥ 8.5.60, ≤ 8.5.100
7 vendors · 26 products
References
15 links- lists.apache.org/thread/j7w54hqbkfcn0xb9xy0wnx8w5nymcbqdVendor AdvisoryREPORTAdvisoryWEBMailing List
Show all 15 references
- github.com/apache/tomcatPACKAGE