AI and data stack advisories

Severe, 6 weeks977Projects326

977 severe, 6 weeks · 326 projects

Apache Vysper: insecure direct object reference

Apache Software Foundation

CVE-2026-115748 · Published Oct 26, 2026 · updated Nov 2, 2026

High8.8
No fix yet

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.

Affected versions

PackageAffectedFixed in
Apache Vysper
Product
all versionsNo fix yet
Details and references

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