PT-2026-97293 · Apache · Apache Tomcat

CVE-2026-78437

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Published

2026-09-15

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Updated

2026-10-01

CVSS v3.1

7.3

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.19 through 11.0.25 Apache Tomcat versions 10.1.53 through 10.1.59 Apache Tomcat versions 9.0.116 through 9.0.121
Description An incomplete cleanup issue allows a malformed request to potentially cause a request from another user to fail, depending on timing.
Recommendations Upgrade to version 11.0.26 Upgrade to version 10.1.60 Upgrade to version 9.0.122

Fix

DoS

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Weakness Enumeration

Related Identifiers

BIT-TOMCAT-2026-78437
CVE-2026-78437
OPENSUSE-SU-2026:11906-1
OPENSUSE-SU-2026:11907-1
OPENSUSE-SU-2026:11908-1
OPENSUSE-SU-2026:21984-1

Affected Products

Apache Tomcat