{"id":"USN-8422-1","summary":"mistral vulnerability","details":"Eduardo Gonzalez Gutierrez and Arnaud Morin discovered that Mistral\ndid not properly enforce access policies on some API endpoints. An\nattacker could possibly execute arbitrary code on a Mistral worker and\npossibly extract sensitive data including service credentials from it.","modified":"2026-06-30T18:17:26.756051484Z","published":"2026-06-11T12:55:21Z","related":["UBUNTU-CVE-2026-41283"],"upstream":["UBUNTU-CVE-2026-41283"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8422-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-41283"}],"affected":[{"package":{"name":"mistral","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mistral?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"14.0.0-0ubuntu1.1"}]}],"versions":["13.0.0-0ubuntu1","13.0.0+git2021120910.b2d6de56-0ubuntu1","13.0.0+git2022030313.55bb2564-0ubuntu1","14.0.0-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"mistral-api","binary_version":"14.0.0-0ubuntu1.1"},{"binary_name":"mistral-common","binary_version":"14.0.0-0ubuntu1.1"},{"binary_name":"mistral-engine","binary_version":"14.0.0-0ubuntu1.1"},{"binary_name":"mistral-event-engine","binary_version":"14.0.0-0ubuntu1.1"},{"binary_name":"mistral-executor","binary_version":"14.0.0-0ubuntu1.1"},{"binary_name":"python3-mistral","binary_version":"14.0.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41283"}]}}},{"package":{"name":"mistral","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/mistral?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.0.1-0ubuntu1.1"}]}],"versions":["17.0.0-0ubuntu1","18.0.0~rc1-0ubuntu1","18.0.1-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"mistral-api","binary_version":"18.0.1-0ubuntu1.1"},{"binary_name":"mistral-common","binary_version":"18.0.1-0ubuntu1.1"},{"binary_name":"mistral-engine","binary_version":"18.0.1-0ubuntu1.1"},{"binary_name":"mistral-event-engine","binary_version":"18.0.1-0ubuntu1.1"},{"binary_name":"mistral-executor","binary_version":"18.0.1-0ubuntu1.1"},{"binary_name":"python3-mistral","binary_version":"18.0.1-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-41283","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"mistral","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/mistral?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.0.0-0ubuntu1.1"}]}],"versions":["20.0.0-0ubuntu1","21.0.0~rc1-0ubuntu1","21.0.0-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"mistral-api","binary_version":"21.0.0-0ubuntu1.1"},{"binary_name":"mistral-common","binary_version":"21.0.0-0ubuntu1.1"},{"binary_name":"mistral-engine","binary_version":"21.0.0-0ubuntu1.1"},{"binary_name":"mistral-event-engine","binary_version":"21.0.0-0ubuntu1.1"},{"binary_name":"mistral-executor","binary_version":"21.0.0-0ubuntu1.1"},{"binary_name":"python3-mistral","binary_version":"21.0.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json","cves_map":{"ecosystem":"Ubuntu:25.10","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41283"}]}}},{"package":{"name":"mistral","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/mistral?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"22.0.0-0ubuntu1.1"}]}],"versions":["21.0.0-0ubuntu1","21.0.0+git20260106.10.420677c8-0ubuntu1","22.0.0-0ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"mistral-api","binary_version":"22.0.0-0ubuntu1.1"},{"binary_name":"mistral-common","binary_version":"22.0.0-0ubuntu1.1"},{"binary_name":"mistral-engine","binary_version":"22.0.0-0ubuntu1.1"},{"binary_name":"mistral-event-engine","binary_version":"22.0.0-0ubuntu1.1"},{"binary_name":"mistral-executor","binary_version":"22.0.0-0ubuntu1.1"},{"binary_name":"python3-mistral","binary_version":"22.0.0-0ubuntu1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8422-1.json","cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-41283"}]}}}],"schema_version":"1.7.5"}