CVE-2026-56587 HCL IEM was affected with Strict transport security not enforced
Attackers can perform SSL stripping or man-in-the-middle attacks due to missing Strict Transport Security headers in HCL IEM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-56587?
CVE-2026-56587 is a low-severity vulnerability in HCLSoftware IntelliOps Event Management, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
HCL IEM was affected with Strict transport security not enforced. It may enable attackers to perform SSL stripping or man-in-the-middle attacks and compromise secure communications.
Weakness: CWE-523
Which versions are affected by CVE-2026-56587?
It affects 1 product.
Products include Hcltech Intelliops Event Management.
How do I fix CVE-2026-56587?
No fix has been published for CVE-2026-56587 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-56587 being exploited?
There is no known exploitation of CVE-2026-56587 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware IntelliOps Event Management
- CVE-2026-56584 HCL IEM was affected with the Information disclosure nginx server
- CVE-2025-0249 HCL IEM is affected by an improper invalidation of access or JWT token vulnerability
- CVE-2026-56585 HCL IEM was affected with the Anti Clickjacking XFrame Options Header Missing
- CVE-2026-56586 HCL IEM was affected with X-Content-Type-Options Header Missing
- CVE-2025-0251 HCL IEM is affected by a concurrent login vulnerability
Sources
Also known as GHSA-9q58-6g9f-9x3r.