CVE-2025-36227 Multiple vulnerabilities in IBM Aspera Faspex

Medium 5.4 Published Updated

Attackers can inject HTTP headers to perform cross-site scripting, cache poisoning, or session hijacking against IBM Aspera Faspex users.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-36227?

CVE-2025-36227 is a medium-severity cross-site scripting vulnerability in IBM Aspera Faspex 5, published on 10 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

IBM Aspera Faspex 5 5.0.0 through 5.0.14.3 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers.  This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Weakness: CWE-644

Which versions are affected by CVE-2025-36227?

It affects 1 product.

Products include Ibm Aspera Faspex.

How do I fix CVE-2025-36227?

No fix has been published for CVE-2025-36227 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-2025-36227 being exploited?

There is no known exploitation of CVE-2025-36227 in the wild and no public exploit code.

Sources

Also known as GHSA-4cv3-8w5r-6g5r.

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