CVE-2026-78437

Published: Sep 23, 2026Modified: Sep 23, 2026

7.3

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitability: 3.9 / Impact: 3.4

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Incomplete cleanup vulnerability in Apache Tomcat allows a malformed request to potentially (depends on timing) cause one request from another user to fail. This issue affects Apache Tomcat: from 11.0.19 through 11.0.25, from 10.1.53 through 10.1.59, from 9.0.116 through 9.0.121. Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.

Related CWEs

CWE-459

Incomplete Cleanup

The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

References (2)

https://lists.apache.org/thread/qkmsos3s8chn5053qr466rzwv6sk5gjg

Source: security@apache.org

http://www.openwall.com/lists/oss-security/2026/09/23/26

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.