{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115748", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-10-23T12:48:46.471Z", "datePublished": "2026-10-26T15:01:40.644Z", "dateUpdated": "2026-10-26T15:34:11.951Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-10-26T15:01:40.644Z"}, "title": "Apache Vysper: Authorization bypass", "problemTypes": [{"descriptions": [{"description": "CWE-639 Authorization bypass through User-Controlled key", "lang": "en", "cweId": "CWE-639", "type": "CWE"}]}], "source": {"discovery": "EXTERNAL"}, "affected": [{"vendor": "Apache Software Foundation", "product": "Apache Vysper", "packageURL": "pkg:maven/org.apache.vysper/vysper", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "*", "versionType": "maven"}], "defaultStatus": "unaffected", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.apache.vysper:vysper"}], "descriptions": [{"value": "**UNSUPPORTED WHEN ASSIGNED**\u00a0\u00a0Authorization bypass in Apache Vysper, all versions.\n\n\n\n\nApache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts.\n\n\n\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.", "lang": "en", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<div>**UNSUPPORTED WHEN ASSIGNED**&nbsp;&nbsp;Authorization bypass in Apache Vysper, all versions.</div><div><br></div><div>Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts.</div><div><br></div><span>As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.</span>"}]}], "references": [{"url": "https://mina.apache.org/vysper-project/"}, {"url": "https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj", "tags": ["vendor-advisory"]}], "metrics": [{"scenarios": [{"lang": "en", "value": "GENERAL"}], "format": "CVSS", "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}, {"other": {"type": "Textual description of severity", "content": {"text": "important"}}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "credits": [{"lang": "en", "value": "Ho1aAs <xxy010605@gmail.com>", "type": "finder"}], "tags": ["unsupported-when-assigned"], "x_generator": {"engine": "Vulnogram 1.0.3"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/10/23/21"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-26T15:34:11.951Z"}}]}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.apache.vysper:vysper", "packageURL": "pkg:maven/org.apache.vysper/vysper", "product": "Apache Vysper", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "*", "status": "affected", "version": "0", "versionType": "maven"}]}], "source": "security@apache.org"}], "cveTags": [{"sourceIdentifier": "security@apache.org", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "**UNSUPPORTED WHEN ASSIGNED**\u00a0\u00a0Authorization bypass in Apache Vysper, all versions.\n\n\n\n\nApache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts.\n\n\n\n\nAs this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative."}], "id": "CVE-2026-115748", "lastModified": "2026-10-26T16:54:34.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@apache.org", "type": "Secondary"}]}, "published": "2026-10-26T16:17:17.833", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj"}, {"source": "security@apache.org", "url": "https://mina.apache.org/vysper-project/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/23/21"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "security@apache.org", "type": "Primary"}]}

{"bugzilla": {"description": "org.apache.vysper/vysper-core: Apache Vysper: Account compromise via missing authentication check in In-Band Registration", "id": "2560881", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2560881"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-306", "details": ["A flaw was found in Apache Vysper. Its implementation of Extensible Messaging and Presence Protocol (XMPP) In-Band Registration lacks an authentication check. An authenticated remote attacker can exploit this vulnerability to compromise other user accounts on the server."], "name": "CVE-2026-115748", "package_state": [{"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Fix deferred", "package_name": "vysper-core", "product_name": "Red Hat Fuse 7"}], "public_date": "2026-10-26T15:01:40Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-115748\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-115748\nhttps://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj\nhttps://mina.apache.org/vysper-project/"], "threat_severity": "Important"}

{"created": "2026-10-26T16:30:11.027714+00:00", "updated": "2026-10-27T13:30:04.854004+00:00", "vendors": []}