CVE-2026-65183

⚠️ high

Summary

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 Score

8.1

High

EPSS Score

0.5

Exploit Probability

Published Date

2026-08-25

First Seen: 2026-08-26

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 76.7% of all 365,890 vulnerabilities in our database.

#85,383

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Aug 26, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-08-27

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-367

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
apache	tomcat	Affected	> 10.1.0 < 10.1.58
apache	tomcat	Affected	> 11.0.0 < 11.0.25
apache	tomcat	Affected	> 9.0.42 < 9.0.121

🔗 References 2

https://lists.apache.org/thread/748o4st6d5dk6n3l7tgz...

Vendor Advisory Mailing List

http://www.openwall.com/lists/oss-security/2026/08/26/2

Third Party Advisory Mailing List

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-65182	⛔ critical	9.1	0.6	Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a...	2026-08-25
CVE-2026-65637	⛔ critical	9.8	0.8	Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects...	2026-08-25
CVE-2026-65905	⛔ critical	9.8	0.8	Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before windowSize req...	2026-08-25
CVE-2026-65927	⚠️ high	7.5	0.8	Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing t...	2026-08-25
CVE-2026-66422	⚠️ high	8.1	0.6	Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as r...	2026-08-25
CVE-2026-68525	⛔ critical	9.1	0.6	Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security ...	2026-08-25

These CVEs affect the same products