Vulnerability intelligence
CVE-2026-65637
Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
CVSS Score
9.8
Critical
EPSS — Exploit Probability
0.6%
Riskier than 46% of all CVEs · checked 2026-10-21
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Oct 21, 2026 · latest Oct 21, 2026
Coverage timeline
-
Atlassian urges upgrades after finding 176 flaws in self-managed productssecurityonline.info · Oct 21, 2026