{"id":"UBUNTU-CVE-2026-93453","details":"SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.","modified":"2026-09-21T21:41:00.494577389Z","published":"2026-09-21T00:00:00Z","upstream":["CVE-2026-93453"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-93453"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-93453"},{"type":"REPORT","url":"https://www.sogo.nu/news/2026/sogo-v51211-released.html"},{"type":"REPORT","url":"https://github.com/Alinto/sogo"},{"type":"REPORT","url":"https://github.com/Alinto/sogo/blob/SOGo-5.12.10/UI/MainUI/SOGoRootPage.m#L1375"},{"type":"REPORT","url":"https://github.com/Alinto/sogo/commit/04a3e9823889acaf6c247b224f5f7a0108f8f829"},{"type":"REPORT","url":"https://github.com/Alinto/sogo/commit/382118a93b6925de2ce7f774abc1865ebea2dbba"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/sogo-before-5.12.11-password-reset-token-interception-via-origin-header"}],"affected":[{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.17a-1","2.2.17a-1.1","2.2.17a-1.1build1","2.2.17a-1.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"2.2.17a-1.1ubuntu0.1~esm1"},{"binary_name":"sogo-common","binary_version":"2.2.17a-1.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93453.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.2.10-1","3.2.10-1build1","3.2.10-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"3.2.10-1ubuntu0.1~esm1"},{"binary_version":"3.2.10-1ubuntu0.1~esm1","binary_name":"sogo-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93453.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.8-1","4.1.0-1","4.1.1-1","4.3.0-1","4.3.0-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"4.3.0-1ubuntu0.1~esm1"},{"binary_name":"sogo-common","binary_version":"4.3.0-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93453.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.1.0-1","5.2.0-1","5.2.0-3","5.3.0-1","5.3.0-1build2","5.4.0-1","5.5.0-1","5.5.1-1","5.5.1-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"5.5.1-1ubuntu0.1~esm1"},{"binary_name":"sogo-activesync","binary_version":"5.5.1-1ubuntu0.1~esm1"},{"binary_name":"sogo-common","binary_version":"5.5.1-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93453.json"}},{"package":{"name":"sogo","ecosystem":"Ubuntu:Pro:26.04:LTS","purl":"pkg:deb/ubuntu/sogo?arch=source&distro=esm-apps%2Fresolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.12.1-3","5.12.4-1","5.12.4-1.1","5.12.4-1.2","5.12.4-1.2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"sogo","binary_version":"5.12.4-1.2ubuntu0.1~esm1"},{"binary_name":"sogo-activesync","binary_version":"5.12.4-1.2ubuntu0.1~esm1"},{"binary_name":"sogo-common","binary_version":"5.12.4-1.2ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93453.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}