CVE-2026-42571
CriticalCVSS 9.0Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
Pelican versions 7.21.0 to 7.21.4, 7.22.0 to 7.22.2, 7.23.0 to 7.23.2, and 7.24.0 to 7.24.1 have a privilege escalation vulnerability in the WebUI. An attacker authenticated via OAuth can gain admin privileges under certain configurations.
Risk Assessment
A user with limited privileges can gain full control over the system, potentially compromising data and function security.
Recommendation
Update Pelican to versions 7.21.5, 7.22.3, 7.23.3, or 7.24.2, which include a fix for the privilege escalation vulnerability.
Original NVD description (English source)
Pelican is a platform for creating data federations. From versions 7.21.0 to before 7.21.5, 7.22.0 to before 7.22.3, 7.23.0 to before 7.23.3, and 7.24.0 to before 7.24.2, there is a a privilege escalation vulnerability affecting Pelican's Web User Interface (WebUI). This attack allows any user authenticated to the WebUI via OAuth to gain admin privileges under certain configurations. This issue has been patched in versions 7.21.5, 7.22.3, 7.23.3, and 7.24.2.