{"id":"CLEANSTART-2026-DB21450","summary":"When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as fo...","details":"Security vulnerability affects the consul package. When an SSH server authentication callback returned PartialSuccessError with non-nil Permissions, those permissions were silently discarded, potentially dropping certificate restrictions such as force-command after a second factor succeeded.","modified":"2026-10-02T02:30:02.487714512Z","published":"2026-10-02T00:35:54.591496Z","upstream":["CVE-2026-39828"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-DB21450.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2026-39828"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-39828"}],"affected":[{"package":{"name":"consul","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.5-r3"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-DB21450.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"}]}