{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104380", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-10-01T22:29:10.271Z", "datePublished": "2026-10-06T01:13:14.558Z", "dateUpdated": "2026-10-06T05:07:59.987Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Punk"], "packageName": "Punk", "packageURL": "pkg:cpan/Punk", "programFiles": ["include/punk/punk_serve.h"], "programRoutines": [{"name": "ps_serve_one"}], "versions": [{"lessThan": "0.55", "status": "affected", "version": "0.48", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in ps_serve_one.\n\nOn HTTP/2 and HTTP/3 a WebSocket handshake arrives as an Extended CONNECT, which is matched as a GET and so reaches every GET route, API operation and mount. The Origin check runs only when a websocket route matches. On this transport the handler's status is the handshake response, and a 2xx accepts it.\n\nA cross-origin page can open a WebSocket to any path and learn from its open or error event whether that path returns 2xx."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1385", "description": "CWE-1385 Missing Origin Validation in WebSockets", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-10-06T01:13:14.558Z"}, "references": [{"tags": ["patch"], "url": "https://metacpan.org/release/LNATION/Punk-0.55/diff/LNATION/Punk-0.54"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/LNATION/Punk-0.55/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to Punk 0.55 or later."}], "source": {"discovery": "UNKNOWN"}, "title": "Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in ps_serve_one", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/06/1"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-06T05:07:59.987Z"}}]}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "modules": ["Punk"], "packageName": "Punk", "packageURL": "pkg:cpan/Punk", "programFiles": ["include/punk/punk_serve.h"], "programRoutines": [{"name": "ps_serve_one"}], "versions": [{"lessThan": "0.55", "status": "affected", "version": "0.48", "versionType": "custom"}]}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Punk versions from 0.48 before 0.55 for Perl route Extended CONNECT requests to any GET route without an Origin check in ps_serve_one.\n\nOn HTTP/2 and HTTP/3 a WebSocket handshake arrives as an Extended CONNECT, which is matched as a GET and so reaches every GET route, API operation and mount. The Origin check runs only when a websocket route matches. On this transport the handler's status is the handshake response, and a 2xx accepts it.\n\nA cross-origin page can open a WebSocket to any path and learn from its open or error event whether that path returns 2xx."}], "id": "CVE-2026-104380", "lastModified": "2026-10-06T05:16:36.880", "metrics": {}, "published": "2026-10-06T02:17:03.910", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/LNATION/Punk-0.55/changes"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://metacpan.org/release/LNATION/Punk-0.55/diff/LNATION/Punk-0.54"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/06/1"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1385"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{"created": "2026-10-06T02:30:18.255905+00:00", "updated": "2026-10-06T02:30:18.255911+00:00", "vendors": []}