CVE-2026-80353 (GCVE-0-2026-80353)
Vulnerability from cvelistv5
Published
2026-10-20 13:42
Modified
2026-10-20 13:42
Severity ?
CWE
  • CWE-367 - Time-of-check time-of-use (TOCTOU) race condition
Summary
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.
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Version: 9.0.47   ≤ 9.0.122
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache Tomcat",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "9.0.122",
              "status": "affected",
              "version": "9.0.47",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "h1ei1"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eTime-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat\u0026nbsp;\u003cspan\u003ewhen 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.\u003c/span\u003e\u003c/p\u003e\u003cp\u003eThis issue affects Apache Tomcat: from 9.0.47 through 9.0.122.\u003c/p\u003e\u003cp\u003eUsers are recommended to upgrade to version 9.0.123, which fixes the issue.\u003c/p\u003e"
            }
          ],
          "value": "Time-of-check time-of-use (TOCTOU) race condition vulnerability in Apache Tomcat\u00a0when 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.\n\n\n\nThis issue affects Apache Tomcat: from 9.0.47 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 9.0.123, which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "low"
            },
            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-367",
              "description": "CWE-367 Time-of-check time-of-use (TOCTOU) race condition",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-20T13:42:05.844Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread.html/tr0q87qwvs80p9hc53tkwpzvnx0ywftr"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Apache Tomcat: TOCTOU when setting specific permissions for Unix Domain Sockets - Fix for CVE-2026-65183 did not address APR connector",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-80353",
    "datePublished": "2026-10-20T13:42:05.844Z",
    "dateReserved": "2026-08-26T10:00:39.931Z",
    "dateUpdated": "2026-10-20T13:42:05.844Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.