CVE-2026-56619 HCL BigFix Mobile is vulnerable to Reflected Cross-Site Scripting (Reflected XSS)
Attackers can execute arbitrary scripts in user browsers via reflected XSS in HCL BigFix Mobile due to insufficient input validation.
- 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-2026-56619?
CVE-2026-56619 is a medium-severity cross-site scripting vulnerability in HCLSoftware HCL BigFix Mobile, published on 10 Aug 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
HCL BigFix Mobile is vulnerable to Reflected Cross-Site Scripting (Reflected XSS) due to insufficient validation and output encoding of user-controlled input.
Weakness: CWE-79
Which versions are affected by CVE-2026-56619?
How do I fix CVE-2026-56619?
No fix has been published for CVE-2026-56619 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-2026-56619 being exploited?
There is no known exploitation of CVE-2026-56619 in the wild and no public exploit code.
Sources
Also known as GHSA-r4mg-mh8r-f4jx.