{"id":"CVE-2026-57999","summary":"luci-app-tailscale-community - Command Injection via tailscale.do_login RPC","details":"luci-app-tailscale-community contains a command injection vulnerability in the tailscale.do_login RPC method that allows authenticated users to execute arbitrary commands as root. The vulnerability exists because user-controlled loginserver and loginserver_authkey parameters are improperly quoted within a double-quoted shell command, allowing shell substitutions like $() to be evaluated by the outer shell before argument processing.","aliases":["GHSA-xwc5-mx58-rh35"],"modified":"2026-07-16T03:30:52.864922508Z","published":"2026-06-29T18:16:04.327Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57999.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-78"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57999.json"},{"type":"ADVISORY","url":"https://github.com/openwrt/luci/security/advisories/GHSA-xwc5-mx58-rh35"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57999"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/luci-app-tailscale-community-command-injection-via-tailscale-do-login-rpc"},{"type":"PACKAGE","url":"https://github.com/openwrt/luci"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openwrt/luci","events":[{"introduced":"0"},{"last_affected":"adc4c2932ec7039a6b7effeace098e5bc46861c6"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"0.11.1"}]}}],"versions":["0.11.1","0.11.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-57999.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}