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TI-2025-38914 Aliases CVE-2025-62724

Open OnDemand allowlist bypass using symlinks in directory downloads (TOCTOU)

Priority LOW 19CWE-367Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-61 and the CVSS impact.

Summary

Open OnDemand is an open-source HPC portal. Prior to versions 4.0.8 and 3.1.16, users can craft a "Time of Check to Time of Use" (TOCTOU) attack when downloading zip files to access files outside of the OOD_ALLOWLIST. This vulnerability impacts sites that use the file browser allowlists in all current versions of OOD. However, files accessed are still protected by the UNIX permissions. Open OnDemand versions 4.0.8 and 3.1.16 have been patched for this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix Fixed ondemand (OSC): 4.0.8, 3.1.16

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
OSCondemandbefore 4.0.8; before 3.1.164.0.8, 3.1.16Patch availableCNA
  • ondemand VendorOSC Affected before 4.0.8; before 3.1.16 Fixed in 4.0.8, 3.1.16 Patch available CNA

Remediation

  • Fix · CNA ondemand (OSC) Fixed in 4.0.8, 3.1.16

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-62724

References

Other 1

  • TI-2020-18567 Open OnDemand before 1.5.7 and 1.6.x before 1.6.22 allows CSRF. CVSS 3.1HIGH 8.8
  • TI-2025-39628 Open OnDemand RPM packages create world writable locations CVSS 4.0MEDIUM 6.9
  • TI-2025-40555 Open OnDemand affected by Apache proxy passing sensitive headers CVSS 3.1HIGH 7.6
  • TI-2026-21016 OnDemand susceptible to malicious input when navigating to a directory. CVSS 4.0MEDIUM 6.3
  • TI-2026-32328 Open OnDemand: Specially crafted filenames can execute javascript in the file browser CVSS 4.0MEDIUM 5.3
  • TI-2025-33562 Open OnDemand Shell App closed websocket DoS CVSS 3.1MEDIUM 5.4
See all 7 →

Sources

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