Critical 9.0Published May 9, 2026

CVE-2026-42571Privilege Escalation Attack affecting Pelican Web UI

Updated under an hour ago (Oct 26, 2026, 7:40 PM ET)

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It affects PelicanPlatform pelican. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for PelicanPlatform pelican

Exploited in the last 30 days

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.

CVSS: 9.0 CRITICAL (v4.0, CNA)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
Weakness (CWE): CWE-863
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

PelicanPlatform pelican pelicanplatform:pelican (from the name)	from 7.21.0, < 7.21.5; from 7.22.0, < 7.22.3; from 7.23.0, < 7.23.3; from 7.24.0, < 7.24.2	CNA record

References

References

https://github.com/PelicanPlatform/pelican/security/advisories/GHSA-rpfr-x88x-xwcw	x-refsource-confirm
https://github.com/PelicanPlatform/pelican/commit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854	x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.