CVE-2026-43514

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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-12 | Updated 2026-05-13 | Assigner apache

Problem types

CWE-208 Observable Timing Discrepancy

Product status

References

www.openwall.com/lists/oss-security/2026/05/12/10

lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m vendor-advisory

cve.org (CVE-2026-43514)

nvd.nist.gov (CVE-2026-43514)

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