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Vulnerability record · CVE-2026-65183 · published 25 August 2026

CVE-2026-65183: Apache tomcat toctou race condition vulnerability

Apache · Tomcat

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.42 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.

8.1 CVSS 3.1 High EPSS 0.46% · top 62.9% CWE-367 · TOCTOU race condition
8.1CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
27 Aug 2026Last modified by NVD

Description

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.42 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/748o4st6d5dk6n3l7tgzo5yl68gg05c0 Vendor AdvisoryMailing List
http://www.openwall.com/lists/oss-security/2026/08/26/2 Third Party AdvisoryMailing List

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-65183), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.