CVE-2026-101356
Apache Tomcat: HTTP/2 request/response mix-up after error during async processing
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | apache software foundation |
| Product | apache tomcat |
| Published | Oct 20, 2026 |
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Affected Versions
Apache Software Foundation / Apache Tomcat
11.0.22 ≤ 11.0.26 10.1.55 ≤ 10.1.60 9.0.118 ≤ 9.0.122