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Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets - Fix for CVE-2026-65183 did not address APR connector

Type: advisorySource: Official CVE List1 source record

Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat when creating unix domain sockets for the APR/Native connector allows an unauthorised local user to access the unix domain socket. The fix for CVE-2026-65183 only addressed the NIO connector. It did not address the same issue in the APR/Native connector. This issue affects Apache Tomcat: from 9.0.47 through 9.0.122. Users are recommended to upgrade to version 9.0.123, which fixes the issue.

Announced Source revision 1
Original source ↗

CVE-2026-80353

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-80353

Apache Tomcat

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache Tomcat",
    "versions": [
      {
        "status": "affected",
        "version": "9.0.47",
        "versionType": "semver",
        "lessThanOrEqual": "9.0.122"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-80353

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#42179 · Revision 1
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Publisher date
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