What’s Vulnerable › Vulnerabilities

CVE-2026-26002: OnDemand susceptible to malicious input when navigating to a directory.

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-04 · updated 2026-06-17
• Weakness: CWE-74

Description

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.

Affected products

• OSC ondemand: before 3.1.16; from 4.0.0 before 4.0.9; from 4.1.0 before 4.1.3 — fixed in 3.1.16, 4.0.9, 4.1.3

How to fix

Upgrade to a fixed version: OSC ondemand 3.1.16, 4.0.9, 4.1.3. Check the vendor advisory for mitigations.

References

• https://github.com/OSC/ondemand/commit/23cb167222886fdd8415277ca5c1215f4c32629c
• https://github.com/OSC/ondemand/commit/37f0ae4efb222e9c0af250feae860a720427df16
• https://github.com/OSC/ondemand/security/advisories/GHSA-f83q-mhrr-3cr2

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