CRITICALCVSS v3.1 9.1Vulnerability

CVE-2026-101356

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.

Properties

Severity
CRITICAL
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Cvss severity
CRITICAL
Cvss score
9.1
Retrieved at
2026-10-20T21:15:35+00:00
Score
9.1
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-101356
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
First seen by Signal
2026-10-20T17:10:14+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Published at
2026-10-20T14:16:55.767
Last modified
2026-10-20T19:35:38.940

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CVE-2026-101356 (CVSS v3.1 9.1) — Ninja Signal Threat Intelligence | Ninja Signal