CVE-2026-67103 HCL BigFix Service Management is affected by multiple security vulnerabilities.

High 7.6 Published 18 Sep 2026 Updated 18 Sep 2026

Attackers can inject malicious scripts to hijack sessions and take over accounts in HCL BigFix Service Management.

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-2026-67103?

CVE-2026-67103 is a high-severity cross-site scripting vulnerability in HCL BigFix Service Management, published on 18 Sep 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 Service Management is affected by Cross-Site Scripting (XSS) vulnerability, which could allow an attacker to inject unsanitized malicious scripts that execute in a victim's browser, enabling session hijacking, account takeover, and unauthorized actions on behalf of affected users.

Weakness: CWE-79

Which versions are affected by CVE-2026-67103?

It affects 1 product.

Products include Hcltech Bigfix Service Management.

How do I fix CVE-2026-67103?

No fix has been published for CVE-2026-67103 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-2026-67103 being exploited?

There is no known exploitation of CVE-2026-67103 in the wild and no public exploit code.

Sources

Also known as GHSA-w455-4v8x-45rh.