CVEvulnerability
CVE-2026-101356
9.1 CRITICAL
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-10-20
- Last modified
- 2026-10-20
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Weaknesses
- CWE-362
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.
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://lists.apache.org/thread.html/d1xjt7bbjqw7y7n5mcb4fm815hpfgc27 lists.apache.org
- http://www.openwall.com/lists/oss-security/2026/10/20/27 www.openwall.com