CVE-2026-43515
Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.
Published May 12, 2026 · updated Jun 17, 2026 · apache tomcat
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 fix the issue.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jun 17, 2026 · NIST NVD
Updated
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 fix
Oct 15, 2026 · Apache Software Foundation
Detected
Named on the public Apache Software Foundation page.
Affected
- cpe apache/tomcatversion unspecified
Sources
- Apache Software FoundationVendor advisoryCVE-2026-43515
Named on the public Apache Software Foundation page.
tomcat.apache.org - CVE.orgVulnerability recordCVE-2026-43515
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-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 throug
nvd.nist.gov