CVE-2026-42571
Published:May 09, 2026
Updated:May 16, 2026
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 Packages
https://github.com/PelicanPlatform/pelican.git (GITHUB):
Affected version(s) >=v7.21.0 <v7.21.5Fix Suggestion:
Update to version v7.21.5https://github.com/PelicanPlatform/pelican.git (GITHUB):
Affected version(s) >=v7.23.0 <v7.23.3Fix Suggestion:
Update to version v7.23.3https://github.com/PelicanPlatform/pelican.git (GITHUB):
Affected version(s) >=v7.22.0 <v7.22.3Fix Suggestion:
Update to version v7.22.3https://github.com/PelicanPlatform/pelican.git (GITHUB):
Affected version(s) >=v7.24.0 <v7.24.2Fix Suggestion:
Update to version v7.24.2github.com/pelicanplatform/pelican (GO):
Affected version(s) >=v0.0.0-20230709161554-177bb0377f6e <v0.0.0-20260408120501-7f73b9c3e677Fix Suggestion:
Update to version v0.0.0-20260408120501-7f73b9c3e677Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.04