CVE-2026-78437EPSS p16.0%
CVE-2026-78437CVE-2026-78437
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.
Scoring
| CVSS | 7.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| EPSS | 0.26% probability of exploitation · percentile 16.0% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-23 |