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Back to active CVEs
High · CVSS 8.1CVE-2026-65183

Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain SocketsCVE-2026-65183

Answer in brief

CVE-2026-65183 records a High severity (CVSS 8.1) vulnerability in Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache Tomcat (generic), Apache Software Foundation/Apache Tomcat (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 25, 2026Updated Aug 27, 2026Source checked Oct 10, 2026First seen by HOL Aug 25, 2026Material review Aug 27, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Tomcat (generic), Apache Software Foundation/Apache Tomcat (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Apache Software Foundation/Apache Tomcatgeneric11.0.0-M1 || 10.1.0-M1 || 9.0.42Not reported
Apache Software Foundation/Apache Tomcatgeneric>=11.0.0-M1 <=11.0.24 || >=10.1.0-M1 <=10.1.57 || >=9.0.42 <=9.0.120Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Tomcat, Apache Software Foundation/Apache Tomcat.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 27, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 25, 2026

Sources and claim methodology

  • Source referencelists.apache.org
  • Source referenceopenwall.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • MariaDB: `qc_info` plugin can do OOB reads if query contains \0Same generic ecosystem
  • MariaDB: mysql_json plugin OOB readsSame generic ecosystem
  • MariaDB: environment injection via wsrep bootstrap in the mariadb.service fileSame generic ecosystem
  • MariaDB Connector/C: libmariadb allowed cleartext password leakage on TLS hostname verification failureSame generic ecosystem
  • x64dbg-MCP Server vulnerable to pre-authentication denial of service through Content-Length integer overflowSame generic ecosystem
  • MariaDB: insufficient validation of binary frm data when opening a tableSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-367
Source
CVE List V5
Source checked
Oct 10, 2026
References
2 linked sources
Open source record