CVE-2026-43514

EUVD-2026-29518
Observable Timing Discrepancy vulnerability when comparing AJP secret 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.
Older unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
UNKNOWN
---
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachetomcat
𝑥
≤ 11.0.21
CNA
apachetomcat
𝑥
≤ 10.1.54
CNA
apachetomcat
9.0.0.M1 ≤
𝑥
≤ 9.0.117
CNA
apachetomcat
8.5.0 ≤
𝑥
≤ 8.5.100
CNA
apachetomcat
7.0.0 ≤
𝑥
≤ 7.0.109
CNA