CVE-2026-42571
CRITICALPrivilege Escalation Attack affecting Pelican Web UI
Title source: cnaDescription
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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/PelicanPlatform/pelican/security/advisories/GHSA-rpfr-x88x-xwcw
X_Refsource_Misc x_refsource_misc
https://github.com/PelicanPlatform/pelican/commit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854
Scores
CVSS v4
9.0
EPSS
0.0032
EPSS Percentile
23.5%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-863
Status
published
Products (5)
pelicanplatform/pelican
0 - 0.0.0-20260408120501-7f73b9c3e677Go
PelicanPlatform/pelican
>= 7.21.0, < 7.21.5
PelicanPlatform/pelican
>= 7.22.0, < 7.22.3
PelicanPlatform/pelican
>= 7.23.0, < 7.23.3
PelicanPlatform/pelican
>= 7.24.0, < 7.24.2
Published
May 09, 2026
Tracked Since
May 10, 2026