{"id":"USN-8404-1","summary":"transmission vulnerability","details":"It was discovered that Transmission had a clickjacking weakness in the\nbrowser-facing WebUI and RPC response paths. An attacker could possibly use\nthis issue to trick users into performing unintended actions.","modified":"2026-06-08T23:14:20.564173788Z","published":"2026-06-08T15:15:55Z","related":["UBUNTU-CVE-2026-38978"],"upstream":["CVE-2026-38978","UBUNTU-CVE-2026-38978"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8404-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-38978"}],"affected":[{"package":{"name":"transmission","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/transmission?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.00-2ubuntu2.2"}]}],"versions":["3.00-1ubuntu2","3.00-1ubuntu5","3.00-2ubuntu1","3.00-2ubuntu2","3.00-2ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.00-2ubuntu2.2","binary_name":"transmission"},{"binary_name":"transmission-cli","binary_version":"3.00-2ubuntu2.2"},{"binary_version":"3.00-2ubuntu2.2","binary_name":"transmission-common"},{"binary_name":"transmission-daemon","binary_version":"3.00-2ubuntu2.2"},{"binary_name":"transmission-gtk","binary_version":"3.00-2ubuntu2.2"},{"binary_name":"transmission-qt","binary_version":"3.00-2ubuntu2.2"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-38978","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"transmission","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/transmission?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.5-1ubuntu0.1"}]}],"versions":["4.0.2-1ubuntu3","4.0.5-1","4.0.5-1build3","4.0.5-1build4","4.0.5-1build5"],"ecosystem_specific":{"binaries":[{"binary_name":"transmission","binary_version":"4.0.5-1ubuntu0.1"},{"binary_name":"transmission-cli","binary_version":"4.0.5-1ubuntu0.1"},{"binary_name":"transmission-common","binary_version":"4.0.5-1ubuntu0.1"},{"binary_name":"transmission-daemon","binary_version":"4.0.5-1ubuntu0.1"},{"binary_name":"transmission-gtk","binary_version":"4.0.5-1ubuntu0.1"},{"binary_name":"transmission-qt","binary_version":"4.0.5-1ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-38978","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"}},{"package":{"name":"transmission","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/transmission?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0~beta2+dfsg-3ubuntu1.1"}]}],"versions":["4.0.6+dfsg-3ubuntu2","4.1.0~beta2+dfsg-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1","binary_name":"transmission"},{"binary_name":"transmission-cli","binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1"},{"binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1","binary_name":"transmission-common"},{"binary_name":"transmission-daemon","binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1"},{"binary_name":"transmission-gtk","binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1"},{"binary_version":"4.1.0~beta2+dfsg-3ubuntu1.1","binary_name":"transmission-qt"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-38978"}],"ecosystem":"Ubuntu:25.10"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"}},{"package":{"name":"transmission","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/transmission?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.1+dfsg-1ubuntu1.1"}]}],"versions":["4.1.0~beta2+dfsg-3ubuntu1","4.1.0~beta2+dfsg-3ubuntu2","4.1.0~beta4+dfsg-1ubuntu1","4.1.0~beta5+dfsg-1ubuntu1","4.1.0+dfsg-1ubuntu1","4.1.1+dfsg-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.1+dfsg-1ubuntu1.1","binary_name":"transmission"},{"binary_name":"transmission-cli","binary_version":"4.1.1+dfsg-1ubuntu1.1"},{"binary_name":"transmission-common","binary_version":"4.1.1+dfsg-1ubuntu1.1"},{"binary_name":"transmission-daemon","binary_version":"4.1.1+dfsg-1ubuntu1.1"},{"binary_version":"4.1.1+dfsg-1ubuntu1.1","binary_name":"transmission-gtk"},{"binary_name":"transmission-qt","binary_version":"4.1.1+dfsg-1ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"id":"CVE-2026-38978","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8404-1.json"}}],"schema_version":"1.7.5"}