Open OnDemand is an open-source high-performance computing portal. The Files application in OnDemand versions prior to 4.0.9 and 4.1.3 is susceptible to malicious input when navigating to a directory. This has been patched in versions 4.0.9 and 4.1.3. Versions below this remain susceptible.
https://github.com/OSC/ondemand/security/advisories/GHSA-f83q-mhrr-3cr2
https://github.com/OSC/ondemand/commit/37f0ae4efb222e9c0af250feae860a720427df16
https://github.com/OSC/ondemand/commit/23cb167222886fdd8415277ca5c1215f4c32629c
Published: 2026-03-04
Updated: 2026-03-18
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 8.7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: High
EPSS: 0.00044