CVE-2026-44371 Open OnDemand: Specially crafted filenames can execute javascript in the file browser
Attackers can execute JavaScript in the file browser via crafted filenames, potentially compromising user sessions in Open OnDemand.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-44371?
CVE-2026-44371 is a medium-severity cross-site scripting vulnerability in OSC ondemand, published on 14 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Open OnDemand is an open-source high-performance computing portal. Prior to 4.0.11, 4.1.5, and 4.2.2, specially crafted filenames can execute javascript in the file browser This vulnerability is fixed in 4.0.11, 4.1.5, and 4.2.2.
Weakness: CWE-79
Which versions are affected by CVE-2026-44371?
How do I fix CVE-2026-44371?
No fix has been published for CVE-2026-44371 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-44371 being exploited?
There is no known exploitation of CVE-2026-44371 in the wild and no public exploit code.
Sources
Also known as GHSA-xcv4-m435-m33h.