UpHeron
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Servers and applications

CVE-2026-29146

Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.

Severity
High 7.5
Published
9 Apr 2026
Last changed
4 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.116, 10.1.53, 11.0.20
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 7.0.100 up to 7.0.109
  • From 8.5.38 up to 8.5.100
  • From 9.0.13 before 9.0.116
  • From 10.0.0 before 10.1.53
  • From 11.0.0 before 11.0.20

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-29146
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-29146