CVE-2026-103119

critical · 9.1

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.

9.1

CVSS

0.6%

EPSS (exploit prob.)

48th

EPSS percentile

2026-10-20

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weaknesses

CWE-127

References

https://lists.apache.org/thread.html/sk2cg4k077fwcqbm6tqz2n700nq06h80
http://www.openwall.com/lists/oss-security/2026/10/20/28

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-103119