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.
Metrics
Affected Vendors & Products
No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Wed, 23 Sep 2026 17:30:00 +0000
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cvssV3_1
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Wed, 23 Sep 2026 14:00:00 +0000
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Apache
Apache apache Tomcat |
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| Vendors & Products |
Apache
Apache apache Tomcat |
Wed, 23 Sep 2026 11:45:00 +0000
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| 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. | |
| Title | Apache Tomcat: HTTP/2 DoS via malformed request | |
| Weaknesses | CWE-459 | |
| References |
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Projects
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-23T16:25:54.815Z
Reserved: 2026-08-24T16:10:49.885Z
Link: CVE-2026-78437
Updated: 2026-09-23T16:25:28.259Z
Status : Received
Published: 2026-09-23T12:17:07.340
Modified: 2026-09-23T17:17:17.023
Link: CVE-2026-78437
No data.
OpenCVE Enrichment
Updated: 2026-09-23T13:45:04Z