CVE Catalog

CVE-2026-101356

Unknown
Published: Translated: NVD NIST

Summary

Incorrect object recycling and reuse in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users. Affects versions 11.0.22 through 11.0.26, 10.1.55 through 10.1.60, and 9.0.118 through 9.0.122.

Risk Assessment

Data may leak between users through request or response mix-up, posing a serious confidentiality risk.

Recommendation

Upgrade Apache Tomcat to version 11.0.27, 10.1.61, or 9.0.123.

Other vulnerabilities in Apache Tomcat

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Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS