{"id":"UBUNTU-CVE-2018-18926","details":"Gitea before 1.5.4 allows remote code execution because it does not properly validate session IDs. This is related to session ID handling in the go-macaron/session code for Macaron.","modified":"2025-10-24T04:47:16Z","published":"2018-11-04T05:29:00Z","upstream":["CVE-2018-18926"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18926"},{"type":"REPORT","url":"https://github.com/go-gitea/gitea/issues/5140"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18926"}],"affected":[{"package":{"name":"golang-code.gitea-git","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/golang-code.gitea-git@0.0~git20171222.4ec3654-3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20170710.0.fc63966-1","0.0~git20170919.0.cdb43f0-1","0.0~git20171222.4ec3654-1","0.0~git20171222.4ec3654-3"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-code.gitea-git-dev","binary_version":"0.0~git20171222.4ec3654-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18926.json"}},{"package":{"name":"golang-code.gitea-git","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/golang-code.gitea-git@0.0~git20171222.4ec3654-3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20171222.4ec3654-3"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-code.gitea-git-dev","binary_version":"0.0~git20171222.4ec3654-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18926.json"}},{"package":{"name":"golang-code.gitea-git","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-code.gitea-git@0.0~git20190411.63b74d4+ds-1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.0~git20190411.63b74d4+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-code.gitea-git-dev","binary_version":"0.0~git20190411.63b74d4+ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18926.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}