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CVE-2026-43514

Apache Tomcat: AJP secret compared in non-constant time

Published: May 12, 2026Updated: May 14, 2026 Sources: CVE List NVD BDUCWE-208
NVD MITRE
3.7CVSSLOW
EPSS Score
0.4%
Top 71.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-208

Affected Products

tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
canonical ltd.commercialGBOperating Systemsaka canonical
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
and 1 more affected products View all →

Exploitability

Official Patch Available

References

https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m
lists.apache.org
http://www.openwall.com/lists/oss-security/2026/05/12/10
openwall.com
https://github.com/advisories/GHSA-9m89-8frq-c98c
github.com
and 12 more references View all →

Timeline

Published
May 12, 2026
Last Updated
May 14, 2026

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