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8.8 High

CVE-2026-115748 **UNSUPPORTED WHEN ASSIGNED**  Authorization bypass in Apache Vysper, all versions

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.

Affected products and versions

Product Affected versions Fixed in
Apache Vysper Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Apache Vysper

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CVE-2026-115721 **UNSUPPORTED WHEN ASSIGNED**  Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of… 7.5 High
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