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

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "9.0.122", "status": "affected", "version": "9.0.47", "versionType": "semver"}]}], "source": "security@apache.org"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-80353", "lastModified": "2026-10-20T19:35:38.940", "metrics": {}, "published": "2026-10-20T14:17:03.283", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/tr0q87qwvs80p9hc53tkwpzvnx0ywftr"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "security@apache.org", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2026:81365", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "tomcat11-main-11.0.27-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-10-12T00:00:00Z"}, {"advisory": "RHSA-2026:85926", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "tomcat10-main-10.1.61-0.1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-10-20T00:00:00Z"}], "bugzilla": {"description": "tomcat: tomcat: Unauthorized socket access via TOCTOU race condition", "id": "2556183", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2556183"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N", "status": "verified"}, "cwe": "CWE-367", "details": ["A flaw was found in Apache Tomcat. A local attacker can gain unauthorized access to Unix domain communication sockets due to a time-of-check to time-of-use (TOCTOU) race condition in the APR/Native connector. When the connector initializes a socket, a brief timing window exists before restrictive permissions are applied, allowing an unauthorized local user to connect to the socket and potentially intercept or manipulate local service communications."], "name": "CVE-2026-80353", "public_date": "2026-10-20T13:42:05Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80353\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80353\nhttps://lists.apache.org/thread.html/tr0q87qwvs80p9hc53tkwpzvnx0ywftr"], "threat_severity": "Low"}