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CVE PROGRAM SOURCE RECORD9.1 Critical

CVE-2026-101356

Apache Tomcat: HTTP/2 request/response mix-up after error during async processing

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Status
Published
Published
Updated
Assigning organization
apache

Description

Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users. This issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 through 9.0.122. Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fixes the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Tomcat

Default version status: unaffected

  • 11.0.22 to ≤ 11.0.26affected
  • 10.1.55 to ≤ 10.1.60affected
  • 9.0.118 to ≤ 9.0.122affected

References