CVE security advisories and vulnerability history for tomcat by apache.
256
Total CVEs
Published
6
In CISA KEV
Exploited in the wild
54
Public exploits
With known exploit
7.5
Avg CVSS
2000–2026
Last updated
Overview
apache tomcat has 256 published CVE records since 2000, of which 6 are in CISA's Known Exploited Vulnerabilities catalog and 54 have a known public exploit. The average CVSS base score across scored CVEs is 7.5.
This page aggregates every publicly disclosed vulnerability (CVE) affecting apache tomcat, with a severity breakdown, the affected and patched versions, the most common weakness types, and the full CVE list.
Severity and exploitation
How the CVSS severity of apache tomcat's CVEs breaks down, plus how many are exploited in the wild or have public exploit code.
Critical12
High34
Medium14
Low2
194 additional CVEs have no CVSS severity score.
In CISA’s Known Exploited Vulnerabilities catalog
6
6 of apache tomcat's CVEs are confirmed exploited in the wild.
Public exploits
54
54 of apache tomcat's CVEs have a known public exploit available.
Affected versions and CVEs
Browse every apache tomcat version named in a CVE, then pick one to see only the CVEs that affect it.
Common questions about apache tomcat vulnerabilities.
How many CVEs does apache tomcat have?
apache tomcat has 256 published CVE records since 2000.
How many apache tomcat CVEs are in CISA KEV?
Yes — 6 of apache tomcat's CVEs are listed in CISA's Known Exploited Vulnerabilities catalog, confirmed exploited in the wild and carrying a CISA remediation deadline.
Are there public exploits for apache tomcat vulnerabilities?
Yes — 54 of apache tomcat's CVEs have a known public exploit.
Which versions of apache tomcat are affected?
296 distinct apache tomcat versions are named across its CVEs. Use the version filter above to see the CVEs affecting a specific version.
What are the most common weakness types in apache tomcat CVEs?
apache tomcat's CVEs most often map to these CWE weakness types: CWE-20 (Improper Input Validation), CWE-400 (Uncontrolled Resource Consumption), CWE-444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')), CWE-459 (Incomplete Cleanup).
How many critical apache tomcat vulnerabilities are there?
apache tomcat has 12 critical and 34 high-severity CVEs.
What is the average severity of apache tomcat CVEs?
The average CVSS base score across apache tomcat's scored CVEs is 7.5.
