Privilege escalation in Skypilot-Org Skypilot
CVE-2026-75481
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.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Skypilot-Org Skypilot — versions 0
Weakness classification (CWE)
References
- github.com/skypilot-org/skypilot/issues/9846 (issue-tracking)
- github.com/skypilot-org/skypilot (product)
- github.com/skypilot-org/skypilot/commit/8a3e00259cd374e662cd876c037164bcb070f78e (patch)
- github.com/skypilot-org/skypilot/blob/master/sky/users/server.py (technical-description)
- www.vulncheck.com/advisories/skypilot-authentication-bypass-via-service-account… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-75481?
- CVE-2026-75481 is a high-severity vulnerability in Skypilot-Org Skypilot, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-08-17.
- How severe is CVE-2026-75481?
- High severity. CVSS v3 base score is 8.8 out of 10.