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TI-2026-30851 Aliases CVE-2026-42571GHSA-rpfr-x88x-xwcw

Privilege Escalation Attack affecting Pelican Web UI

Priority MEDIUM 47CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0032 25th percentileScored 2026-11-07
Fix Fixed pelican (PelicanPlatform): 7.21.5, 7.22.3, 7.23.3 +1github.com/pelicanplatform/pelican (Go): 0.0.0-20260408120501-7f73b9c3e677

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PelicanPlatformpelican7.21.0 to before 7.21.5; 7.22.0 to before 7.22.3; 7.23.0 to before 7.23.3; 7.24.0 to before 7.24.27.21.5, 7.22.3, 7.23.3, 7.24.2Patch availableCNA
—github.com/pelicanplatform/pelican (Go)before 0.0.0-20260408120501-7f73b9c3e6770.0.0-20260408120501-7f73b9c3e677Patch availableGHSA-rpfr-x88x-xwcw
  • pelican VendorPelicanPlatform Affected 7.21.0 to before 7.21.5; 7.22.0 to before 7.22.3; 7.23.0 to before 7.23.3; 7.24.0 to before 7.24.2 Fixed in 7.21.5, 7.22.3, 7.23.3, 7.24.2 Patch available CNA
  • github.com/pelicanplatform/pelican (Go) Vendor— Affected before 0.0.0-20260408120501-7f73b9c3e677 Fixed in 0.0.0-20260408120501-7f73b9c3e677 Patch available GHSA-rpfr-x88x-xwcw

Remediation

  • Fix · CNA pelican (PelicanPlatform) Fixed in 7.21.5, 7.22.3, 7.23.3, 7.24.2
  • Fix · GHSA-rpfr-x88x-xwcw github.com/pelicanplatform/pelican (Go) Fixed in 0.0.0-20260408120501-7f73b9c3e677 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42571
  2. 2026-10-03 Alias added: GHSA-rpfr-x88x-xwcw

References

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences