Is CVE-2026-115748 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-115748?

CVE-2026-115748 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-115748

Description

**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.