CVE-2026-65183: CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition in Apache Software Foundation Apache Tomcat
Description
CVE-2026-65183 is a Time-of-check Time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat affecting unix domain socket creation. It allows an unauthorized local user to access the unix domain socket. The vulnerability affects Apache Tomcat versions from 11.0.0-M1 through 11.0.24, 10.1.0-M1 through 10.1.57, and 9.0.42 through 9.0.120. Upgrading to versions 11.0.25, 10.1.58, or 9.0.121 mitigates the issue. The CVSS score is 8.1, indicating high severity.
CVSS v3.1
Score 8.1high
Affected software
Apache Software Foundation
Apache Tomcat
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a TOCTOU race condition in Apache Tomcat's handling of unix domain socket creation. It allows unauthorized local users to gain access to the unix domain socket by exploiting a timing window between the check and use of the socket resource. The affected versions include 11.0.0-M1 through 11.0.24, 10.1.0-M1 through 10.1.57, and 9.0.42 through 9.0.120. The vendor recommends upgrading to fixed versions 11.0.25, 10.1.58, or 9.0.121 to resolve the issue.
Potential Impact
An unauthorized local user can exploit this race condition to access the unix domain socket, potentially leading to unauthorized access and compromise of confidentiality, integrity, and availability of the affected system. The CVSS score of 8.1 reflects high impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users should upgrade Apache Tomcat to versions 11.0.25, 10.1.58, or 9.0.121, which contain fixes for this vulnerability. Patch status is confirmed by the vendor's version upgrade recommendations. No other mitigation guidance is provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-21T18:45:53.137Z
- State
- PUBLISHED
Threat ID: 6a8e0eb7acd9273b49c03ed7
Added to database: 08/25/2026, 21:52:55 UTC
Last enriched: 09/09/2026, 21:07:14 UTC
Last updated: 10/07/2026, 18:48:22 UTC
Views: 52
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