CVE-2026-42571

Privilege Escalation Attack affecting Pelican Web UI

State: Published
Severity: 9.0 Critical
Published: May 9, 2026
Updated: May 12, 2026
Reserved: Apr 28, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	9.0 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	GitHub_M

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
pelicanPelicanPlatform	>= 7.21.0, < 7.21.5Affected >= 7.22.0, < 7.22.3Affected >= 7.23.0, < 7.23.3Affected >= 7.24.0, < 7.24.2Affected

References

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