CVE-2026-103119 (GCVE-0-2026-103119)

Vulnerability from cvelistv5 – Published: 2026-10-20 13:54 – Updated: 2026-10-20 18:09
VLAI
Title
Apache Tomcat: AJP response mix-up
Summary
Buffer under-read vulnerability in Apache Tomcat meant that a large non-blocking write could result in the response body being split between the current request and the next request received on that connection leading most likely to failure of the second request and possibly leakage of data from the first response to the second. This issue affects Apache Tomcat: from 11.0.0-M25 through 11.0.26. Users are recommended to upgrade to version 11.0.27, which fixes the issue.
Severity
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-20 15:41 UTC
CWE
Assigner
apache CNA under the mitre root
CNA scorecard B 76/100 over 1086 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M25 , ≤ 11.0.26 (semver)
guessed Create a notification for this product.
Credits
Tuomo Hänninen
Show details on NVD website
To clipboard 

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