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CVE-2026-101356

9.1 critical SSVC exploitation: none Published
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 7

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-20 18:17
  2. CwesCWE-362NVD modified 2026-10-20 19:35
  3. References+1 references (now 2)NVD modified 2026-10-20 19:35
  4. StatusPublished → Awaiting AnalysisNVD modified 2026-10-20 19:35
  5. CVSS9.1 (v3.1, CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)NVD modified 2026-10-20 19:35
  6. StatusReceived → PublishedNVD modified 2026-10-20 13:46
  7. First seenunscoredNVD modified 2026-10-20 14:16

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 2