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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00038.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
PelicanPlatform pelican affected
Version Status Constraints
>= 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 —

No data.

No data.

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Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-rpfr-x88x-xwcw Pelican Web UI Affected by a Privilege Escalation Attack
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/PelicanPlatform/pelican/commit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854 cve-icon cve-icon
https://github.com/PelicanPlatform/pelican/security/advisories/GHSA-rpfr-x88x-xwcw cve-icon cve-icon
History

Sun, 10 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Pelicanplatform
Pelicanplatform pelican
Vendors & Products Pelicanplatform
Pelicanplatform pelican

Sat, 09 May 2026 19:45:00 +0000

Type Values Removed Values Added
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.
Title Privilege Escalation Attack affecting Pelican Web UI
Weaknesses CWE-863
References
Metrics cvssV4_0

{'score': 9, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-09T19:19:36.522Z

Reserved: 2026-04-28T17:26:12.084Z

Link: CVE-2026-42571

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-09T20:16:29.277

Modified: 2026-05-09T20:16:29.277

Link: CVE-2026-42571

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-10T21:24:26Z

Weaknesses