CVE-2026-43514

Apache Tomcat: AJP secret compared in non-constant time

State: Published
Severity: 3.7 Low
Published: May 12, 2026
Updated: May 13, 2026
Reserved: May 1, 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.

Scores

CVSS	Score	Vector	Source
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N	CISA-ADP

Weaknesses

CWE-208 Observable Timing Discrepancy

Affected Products

Product	Versions
Apache TomcatApache Software Foundation	11.0.0-M1 through 11.0.21Affected 10.1.0-M1 through 10.1.54Affected 9.0.0.M1 through 9.0.117Affected 8.5.0 through 8.5.100Affected 7.0.0 through 7.0.109Affected before 7.00Unknown

References

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