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OpenAdvisories
Critical · 9.0 CVE-2026-42571 EUVD-2026-28931GHSA-rpfr-x88x-xwcwGO-2026-5632

Privilege Escalation Attack affecting Pelican Web UI

Published May 9, 2026 · Updated May 12, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
PelicanPlatform pelican >= 7.21.0, < 7.21.5, >= 7.22.0, < 7.22.3, >= 7.23.0, < 7.23.3, >= 7.24.0, < 7.24.2 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/pelicanplatform/pelican < 0.0.0-20260408120501-7f73b9c3e677 0.0.0-20260408120501-7f73b9c3e677 GHSA-rpfr-x88x-xwcw

Advisories 1

References