{"affected":[{"defaultStatus":"unaffected","ecosystem":"maven","packageName":"org.apache.vysper:vysper","product":"Apache Vysper","source":"CNA: apache","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"*","status":"affected","version":"0","versionType":"maven"}]}],"cveId":"CVE-2026-115748","cwes":["CWE-639"],"description":"**UNSUPPORTED WHEN ASSIGNED**  Authorization 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.","epss":{"date":"2026-11-02","percentile":0.49382,"score":0.00613},"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: apache","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.8,"severity":"high","source":"NVD: security@apache.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793657839000,"publishedAt":1793026900644,"references":[{"source":"CNA: apache","tags":[],"url":"https://mina.apache.org/vysper-project/"},{"source":"CNA: apache","tags":["vendor-advisory"],"url":"https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj"},{"source":"ADP: CVE","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/10/23/21"},{"source":"security@apache.org","tags":[],"url":"https://lists.apache.org/thread.html/979n9lzg10vc7tdrrlgy4lh5yrsw8wsj"},{"source":"security@apache.org","tags":[],"url":"https://mina.apache.org/vysper-project/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"url":"http://www.openwall.com/lists/oss-security/2026/10/23/21"}],"remediation":[],"revision":"0f12a3586ddf8bb9f3e89c8558ee1c96d1e80b3540b975bc6293dd091d80c249","sources":[{"modifiedAt":1793654563925,"name":"CNA: apache","retrievedAt":1793657319580,"url":"https://www.cve.org/CVERecord?id=CVE-2026-115748"},{"modifiedAt":1793657839000,"name":"NVD","retrievedAt":1793665365912,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115748"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793657331659,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-115748"}],"ssvc":{"assessedAt":1793654544490,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"total"},"status":"published","title":"Apache Vysper: Authorization bypass","updatedAt":1793665365912}