{"id":"CVE-2026-75481","summary":"SkyPilot Authentication Bypass via Service Account Role Escalation","details":"SkyPilot fails to validate that authenticated users are entitled to grant administrator roles when updating service account permissions. Attackers can create a service account, escalate it to administrator role, and authenticate with its bearer token to gain administrative control over all users and workspaces.","modified":"2026-08-20T03:30:23.966312723Z","published":"2026-08-17T20:36:06.800Z","database_specific":{"cwe_ids":["CWE-269"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75481.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75481.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75481"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/skypilot-authentication-bypass-via-service-account-role-escalation"},{"type":"REPORT","url":"https://github.com/skypilot-org/skypilot/issues/9846"},{"type":"FIX","url":"https://github.com/skypilot-org/skypilot/commit/8a3e00259cd374e662cd876c037164bcb070f78e"},{"type":"PACKAGE","url":"https://github.com/skypilot-org/skypilot"},{"type":"ARTICLE","url":"https://github.com/skypilot-org/skypilot/blob/master/sky/users/server.py"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/skypilot-org/skypilot","events":[{"introduced":"0"},{"fixed":"8a3e00259cd374e662cd876c037164bcb070f78e"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.13.1rc1"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v1.0.0.dev20260815","v1.0.0.dev20260814","v1.0.0.dev20260813","v1.0.0.dev20260812","v1.0.0.dev20260811","v1.0.0.dev20260810","v1.0.0.dev20260808","v1.0.0.dev20260807","v1.0.0.dev20260806","v1.0.0.dev20260805","v1.0.0.dev20260804","v1.0.0.dev20260801","v1.0.0.dev20260802","v1.0.0.dev20260731","v1.0.0.dev20260730","v1.0.0.dev20260729","v1.0.0.dev20260728","v1.0.0.dev20260727","v1.0.0.dev20260724","v1.0.0.dev20260723","untagged-ba5e4d688ad5317df6db","nightly-20251217","v0.5.0-rc1","v0.4.0-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75481.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}