UpHeron
All vulnerabilities

Servers and applications

CVE-2026-43515

Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which…

Severity
Critical 9.1
Published
12 May 2026
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.118, 10.1.55, 11.0.22
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 7.0.0 up to 7.0.109
  • From 8.5.0 up to 8.5.100
  • From 9.0.0 before 9.0.118
  • From 10.1.0 before 10.1.55
  • From 11.0.0 before 11.0.22

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-43515
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-43515