{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73191", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-08-11T11:03:09.545Z", "datePublished": "2026-09-14T13:24:22.654Z", "dateUpdated": "2026-09-14T13:24:22.654Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-09-14T13:24:22.654Z"}, "title": "Apache Syncope: CAS service URL injection via Forwarded HTTP headers", "problemTypes": [{"descriptions": [{"description": "CWE-601 URL Redirection to Untrusted Site ('Open Redirect')", "lang": "en", "cweId": "CWE-601", "type": "CWE"}]}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Syncope", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.syncope:syncope-sra", "versions": [{"status": "affected", "version": "3.0.0-M0", "lessThanOrEqual": "3.0.16", "versionType": "semver"}, {"status": "affected", "version": "4.0.0-M0", "lessThanOrEqual": "4.0.7", "versionType": "semver"}, {"status": "affected", "version": "4.1.0-M0", "lessThanOrEqual": "4.1.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"value": "URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache Syncope.\n\n\n\n\n\nWhen the Syncope SRA is configured for CAS authentication, the target Apereo CAS instance's URL is calculated by unconditionally looking at client-supplied forwarded HTTP headers.\n\nThis issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.\n\nUsers are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Apache Syncope.</p><p></p>When the Syncope SRA is configured for CAS authentication, the target Apereo CAS instance's URL is calculated by unconditionally looking at client-supplied forwarded HTTP headers.<br><br>This issue affects Apache Syncope: from 3.0.0-M0 through 3.0.16, from 4.0.0-M0 Through 4.0.7, from 4.1.0-M0 through 4.1.2.<br><br>Users are recommended to upgrade to version 4.0.8 / 4.1.3, which fix this issue.<p></p>"}]}], "references": [{"url": "https://lists.apache.org/thread/vx9bons1znhdkdpsxwjpy6qqqjc8xqtk", "tags": ["vendor-advisory"]}], "metrics": [{"other": {"type": "Textual description of severity", "content": {"text": "moderate"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "meifukun", "type": "finder"}], "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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