PT-2026-40074 · Apache · Apache Tomcat

Published 2026-05-12 · Updated 2026-06-01 · CVE-2026-43515

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.21 Apache Tomcat versions 10.1.0-M1 through 10.1.54 Apache Tomcat versions 9.0.0.M1 through 9.0.117 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109

Description Improper Authorization occurs when multiple method constraints define an HTTP method for the same extension.

Recommendations Upgrade versions 11.0.0-M1 through 11.0.21 to 11.0.22. Upgrade versions 10.1.0-M1 through 10.1.54 to 10.1.55. Upgrade versions 9.0.0.M1 through 9.0.117 to 9.0.118.

Fix

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

BIT-TOMCAT-2026-43515

CVE-2026-43515

GHSA-5M62-PW8W-7W9F

OESA-2026-2296

OPENSUSE-SU-2026:10925-1

OPENSUSE-SU-2026:10926-1

OPENSUSE-SU-2026:10927-1

Affected Products

Apache Tomcat

References · 36

• https://nvd.nist.gov/vuln/detail/CVE-2026-43512 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10927-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-43515 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-41293 · Security Note
• https://osv.dev/vulnerability/GHSA-5m62-pw8w-7w9f · Vendor Advisory
• https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-43515 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-43515 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42498 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43513 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43514 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43515 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43515 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10926-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41284 · Security Note