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CVE-2026-42571

Privilege Escalation Attack affecting Pelican Web UI

CVSS 9 CRITICALEPSS 0.3%CWE-863
Vexday Risk Score
28Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 9EPSS 0.3%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
09 May 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H