CVE-2026-43514

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

12/05/2026

Last modified:

14/05/2026

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 3.70 LOW
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x

3.70

Severity 3.x

LOW

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	7.0.0 (including)	7.0.109 (including)
cpe:2.3:a:apache:tomcat::::::::	8.5.0 (including)	8.5.100 (including)
cpe:2.3:a:apache:tomcat::::::::	9.0.0 (including)	9.0.118 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.55 (excluding)
cpe:2.3:a:apache:tomcat::::::::	11.0.0 (including)	11.0.22 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-43514

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools