UpHeron
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Servers and applications

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.

Severity
Critical 9.8
Published
25 Aug 2026
Last changed
27 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.121, 10.1.58, 11.0.25
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 9.0.115 before 9.0.121
  • From 10.1.53 before 10.1.58
  • From 11.0.20 before 11.0.25

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-65637
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-65637