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Description

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.

PUBLISHED Reserved 2026-04-28 | Published 2026-05-09 | Updated 2026-05-09 | Assigner GitHub_M




CRITICAL: 9.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-863: Incorrect Authorization

Product status

>= 7.21.0, < 7.21.5
affected

>= 7.22.0, < 7.22.3
affected

>= 7.23.0, < 7.23.3
affected

>= 7.24.0, < 7.24.2
affected

References

github.com/...elican/security/advisories/GHSA-rpfr-x88x-xwcw

github.com/...ommit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854

cve.org (CVE-2026-42571)

nvd.nist.gov (CVE-2026-42571)

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