Privilege Escalation Attack affecting Pelican Web UI_CVE-2026-42571

9 / 10

CRITICAL

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

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.

Basic Information

ID CVE-2026-42571

Source GitHub_M

Published May 9, 2026 at 19:19

Affected Product

Vendor PelicanPlatform

Product pelican

Version >= 7.21.0, < 7.21.5

Affected Versions PelicanPlatform pelican >= 7.21.0, < 7.21.5
PelicanPlatform pelican >= 7.22.0, < 7.22.3
PelicanPlatform pelican >= 7.23.0, < 7.23.3
PelicanPlatform pelican >= 7.24.0, < 7.24.2

CWE Classification

CWE-863

References

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    "published": "2026-05-09T19:19:36.522Z",
    "modified": "2026-05-09T19:19:36.522Z",
    "type": "cve",
    "title": "Privilege Escalation Attack affecting Pelican Web UI",
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    "references": "https://github.com/PelicanPlatform/pelican/security/advisories/GHSA-rpfr-x88x-xwcw\nhttps://github.com/PelicanPlatform/pelican/commit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854",
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