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CVE-2026-101356 Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous…

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 and versions

Product Affected versions Fixed in
Apache Tomcat 11.0 11.0.22 → 11.0.26 No fix stated
Apache Tomcat 10.1 10.1.55 → 10.1.60 No fix stated
Apache Tomcat 9.0 9.0.118 → 9.0.122 No fix stated

References

Timeline

  1. Published
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