This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from 9.0.118 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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | unaffected |
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No vendor fix or workaround currently provided.
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Tracking
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Wed, 23 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Inconsistent interpretation of HTTP/2 requests ('HTTP Request/Response smuggling') vulnerability in Apache Tomcat caused by a regression in fix for CVE-2026-41293 can trigger request header mix-up. This issue affects Apache Tomcat: from 11.0.22 through 11.0.25, from 10.1.55 through 10.1.59, from 9.0.118 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: Regression in fix for CVE-2026-41293 can trigger request header mix-up | |
| Weaknesses | CWE-444 | |
| References |
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Subscriptions
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MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-23T11:31:36.328Z
Reserved: 2026-09-07T09:49:48.382Z
Link: CVE-2026-86350
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-23T12:17:08.350
Modified: 2026-09-23T12:17:08.350
Link: CVE-2026-86350
Redhat
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OpenCVE Enrichment
No data.
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CWE-444
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')