{"id":"UBUNTU-CVE-2026-114230","details":"When dispatching SASL frames to authenticate the peer, Proton will also dispatch AMQP frames if they claim to be SASL frames. This allows authentication bypass. However there will be no user name set so the effects depend on how the application deals with this condition - which otherwise means that authentication has not completed yet. This issue affects Apache Qpid Proton C: through 0.40.0. Users are recommended to upgrade to version 0.41.1, which fixes the issue.","modified":"2026-11-04T03:30:19.197228240Z","published":"2026-11-03T00:00:00Z","upstream":["CVE-2026-114230"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-114230"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-114230"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2026/10/28/24"},{"type":"REPORT","url":"https://issues.apache.org/jira/browse/PROTON-2945"},{"type":"REPORT","url":"https://github.com/apache/qpid-proton/commit/94e2df384a493cbb8a4870a40d90e08708e131eb"},{"type":"REPORT","url":"https://github.com/apache/qpid-proton/commit/b7fb4507bb233db10825e6ffd456086dedca22f6"},{"type":"REPORT","url":"https://lists.apache.org/thread.html/ob7vo6swpj4wbb2m3zq9q2vkwfg5dg8k"},{"type":"REPORT","url":"http://www.openwall.com/lists/oss-security/2026/10/28/24"}],"affected":[{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7-2","0.10-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libqpid-proton2","binary_version":"0.10-2"},{"binary_version":"0.10-2","binary_name":"libqpid-proton2-dev-examples"},{"binary_name":"python-qpid-proton","binary_version":"0.10-2"},{"binary_version":"0.10-2","binary_name":"python3-qpid-proton"},{"binary_name":"qpid-proton-dump","binary_version":"0.10-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-114230.json"}},{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.14.0-5.1","0.14.0-5.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.14.0-5.1ubuntu1","binary_name":"libqpid-proton-cpp8"},{"binary_name":"libqpid-proton8","binary_version":"0.14.0-5.1ubuntu1"},{"binary_version":"0.14.0-5.1ubuntu1","binary_name":"libqpid-proton8-dev-examples"},{"binary_name":"python-qpid-proton","binary_version":"0.14.0-5.1ubuntu1"},{"binary_name":"python3-qpid-proton","binary_version":"0.14.0-5.1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-114230.json"}},{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.0-3.2","0.22.0-3.2build1","0.22.0-3.3","0.22.0-3.3build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqpid-proton-cpp12","binary_version":"0.22.0-3.3build1"},{"binary_version":"0.22.0-3.3build1","binary_name":"libqpid-proton11"},{"binary_name":"libqpid-proton11-dev-examples","binary_version":"0.22.0-3.3build1"},{"binary_name":"python3-qpid-proton","binary_version":"0.22.0-3.3build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-114230.json"}},{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.22.0-5.1","0.22.0-5.1build1","0.22.0-5.1ubuntu1","0.22.0-5.1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libqpid-proton-cpp12","binary_version":"0.22.0-5.1ubuntu2"},{"binary_name":"libqpid-proton11","binary_version":"0.22.0-5.1ubuntu2"},{"binary_version":"0.22.0-5.1ubuntu2","binary_name":"libqpid-proton11-dev-examples"},{"binary_name":"python3-qpid-proton","binary_version":"0.22.0-5.1ubuntu2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-114230.json"}},{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37.0-2build1","0.37.0-2build2","0.37.0-2build4","0.37.0-2build5"],"ecosystem_specific":{"binaries":[{"binary_version":"0.37.0-2build5","binary_name":"libqpid-proton-cpp12"},{"binary_version":"0.37.0-2build5","binary_name":"libqpid-proton11"},{"binary_name":"libqpid-proton11-dev-examples","binary_version":"0.37.0-2build5"},{"binary_name":"python3-qpid-proton","binary_version":"0.37.0-2build5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-114230.json"}},{"package":{"name":"qpid-proton","ecosystem":"Ubuntu:26.10","purl":"pkg:deb/ubuntu/qpid-proton?arch=source&distro=stonking"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37.0-7build1","0.37.0-8","0.37.0-9","0.37.0-9build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libqpid-proton-cpp12","binary_version":"0.37.0-9build1"},{"binary_name":"libqpid-proton11","binary_ver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