CVE-2026-21837 HCL Digital Experience is affected by an OS command injection vulnerability in the Digital Asset Management API
Attackers can execute arbitrary OS commands via the Digital Asset Management API, potentially leading to system takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21837?
CVE-2026-21837 is a high-severity command injection vulnerability in HCLSoftware Digital Experience, published on 5 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
HCL Digital Experience is affected by an OS command injection vulnerability in the Digital Asset Management API. An attacker may execute arbitrary operating system commands, typically inheriting the privileges of the vulnerable application, which could possibly lead to a complete system takeover and data compromise.
Weakness: CWE-78
Which versions are affected by CVE-2026-21837?
It affects 2 products.
Products include Hcltech Digital Experience, Hcltech Digital Experience Compose.
How do I fix CVE-2026-21837?
No fix has been published for CVE-2026-21837 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-21837 being exploited?
There is no known exploitation of CVE-2026-21837 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware Digital Experience
- CVE-2023-37538 HCL Digital Experience is susceptible to cross site scripting (XSS)
- CVE-2020-14255 HCL Digital Experience 9.5 containers include vulnerabilities that could expose sensitive data to unauthorized parties via crafted requests.
- CVE-2026-21825 HCL Digital Experience Compose is affected by a reflected cross-site scripting (XSS) vulnerability in the search center
- CVE-2026-21826 HCL Digital Experience and HCL Digital Experience Compose could be susceptible to Host header injection
- CVE-2025-62326 HCL Digital Experience is susceptible to stored cross-site scripting (XSS)
Sources
Also known as GHSA-89jh-pgw9-qrmm.