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.
CVE-2026-75481
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-17. a secondary CVSS source baseline 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(high)
- EG Risk
- 56(Track*)EG Risk 56/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity88% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS PROB
- 0%
- EPSS %ILE
- 21%
- KEV
- Not listed
Published
August 17, 2026
Last Modified
August 18, 2026
Advisory Details (5)
Auto-updated Aug 17, 2026SkyPilot Authentication Bypass via Service Account Role Escalation | Advisories | VulnCheck
https://www.vulncheck.com/advisories/skypilot-authentication-bypass-via-service-account-role-escalationskypilot/sky/users/server.py at master · skypilot-org/skypilot · GitHub
https://github.com/skypilot-org/skypilot/blob/master/sky/users/server.pycommit 8a3e00259cd3 (skypilot-org/skypilot)
Fix landed in skypilot-org/skypilot commit 8a3e00259cd3 — awaiting tagged release
https://github.com/skypilot-org/skypilot/commit/8a3e00259cd374e662cd876c037164bcb070f78eGitHub - skypilot-org/skypilot: The AI Compute Platform for frontier teams. SkyPilot turns fragmented AI compute into one AI supercomputer, so frontier AI teams build custom intelligence faster. · GitHub
https://github.com/skypilot-org/skypilotPrivilege escalation to admin via service-account role update (missing admin check on update-role) · Issue #9846 · skypilot-org/skypilot · GitHub
https://github.com/skypilot-org/skypilot/issues/9846Vendor Advisories for CVE-2026-75481(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 22× in last 7d / 22× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-21 01:55 UTCEG score recompute
- 2026-08-21 01:55 UTCGHSA enrichment
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 14:30 UTCGHSA enrichment
- 2026-08-20 03:04 UTCEG score recompute
- 2026-08-20 03:04 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 15:38 UTCGHSA enrichment
- 2026-08-19 04:12 UTCGHSA enrichment
- 2026-08-18 16:45 UTCEG score recompute
- 2026-08-18 16:45 UTCGHSA enrichment
- 2026-08-18 15:45 UTCEG score recompute
- 2026-08-18 15:45 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-18 11:30 UTCEG score recompute
- 2026-08-18 11:30 UTCGHSA enrichment
- 2026-08-18 08:57 UTCEG score recompute
- 2026-08-18 08:56 UTCGHSA enrichment
- 2026-08-17 21:30 UTCEG score recompute
- 2026-08-17 20:45 UTCEG score recompute
- 2026-08-17 20:44 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-269
Frequently asked(5)
What is CVE-2026-75481?
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What is the CVSS score of CVE-2026-75481?
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-75481
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