CVE-2026-115748High· 8.8▾ Twilight**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…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 27.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.6%
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.
org.apache.vysper:vysper <= *Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-115721High· 7.5Apache Vysper: Unbounded allocation
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CVE-2026-115942NoneApache Qpid Proton C: Verifying non compliant TLS wildcard cert can cause stack buffer overflow read
CVE-2026-105042NoneApache Qpid Proton C: Unbounded recursion in parsing AMQP message bodies can lead to crash
CVE-2026-114230NoneApache Qpid Proton C: Potential authentication bypass: regular AMQP frames can be sent as SASL frames
CVE-2026-105031NoneApache Qpid Proton C: The OpenSSL TLS implementation adds a locally trusted certificate authority to the existing trusted system trust anchors.