CVE-2026-115748 — Vulnerability intelligence

Apache Software Foundation — Apache Vysper

Published: 2026-10-26T15:01:40.644Z

CVSS

8.8

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

**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.

Sources

• CVE-2026-115748
• Original advisory
• Original advisory
• CVE-2026-115748