Apache
CVE-2026-115748: **UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions. Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band
CVE-2026-115748 Oct 26, 2026 Source: Vendor
**UNSUPPORTED WHEN ASSIGNED** Authorization bypass in Apache Vysper, all versions.
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.
As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-115748
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