critical9.0
CVE-2026-42571
Pelican Web UI Affected by a Privilege Escalation Attack
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/pelicanplatform/pelican | < 0.0.0-20260408120501-7f73b9c3e677 | 0.0.0-20260408120501-7f73b9c3e677 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-rpfr-x88x-xwcw
- https://github.com/PelicanPlatform/pelican/security/advisories/GHSA-rpfr-x88x-xwcw
- https://github.com/PelicanPlatform/pelican/commit/7f73b9c3e677a0ae4a0ec465c5d98bb8bd948854
- https://nvd.nist.gov/vuln/detail/CVE-2026-42571