RCE in Hclsoftware Digital Experience
CVE-2026-21837
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 58.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Hclsoftware Digital Experience — versions 9.5
- Hcltech Digital Experience — versions 9.5
- Hcltech Digital Experience Compose — versions 9.5
Weakness classification (CWE)
References
- support.hcl-software.com/csm (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-21837?
- CVE-2026-21837 is a high-severity vulnerability in Hclsoftware Digital Experience, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-05.
- How severe is CVE-2026-21837?
- High severity. CVSS v3 base score is 8.8 out of 10.