PT-2026-40073 · Apache · Apache Tomcat

Published 2026-05-12 · Updated 2026-06-01 · CVE-2026-43514

Positive Technologies (AI Summary)

CVSS v3.1

3.7

Low

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/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 Apache Tomcat versions prior to 7.0.0

Description An observable timing discrepancy occurs when comparing the AJP secret. A timing discrepancy is a side-channel attack where an attacker can infer secret information by measuring the time a system takes to process different inputs.

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

Weakness Enumeration

CWE-208

Related Identifiers

BIT-TOMCAT-2026-43514

CVE-2026-43514

GHSA-9M89-8FRQ-C98C

OESA-2026-2296

OPENSUSE-SU-2026:10925-1

OPENSUSE-SU-2026:10926-1

OPENSUSE-SU-2026:10927-1

Affected Products

Apache Tomcat

References · 32

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-43514 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-9m89-8frq-c98c · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43512 · Security Note
• https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10925-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10926-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41293 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43514 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-41284 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43515 · Security Note
• https://osv.dev/vulnerability/BIT-tomcat-2026-43514 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42498 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-43514 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43513 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2296 · Vendor Advisory