8.8

CVE-2026-21837: hclsoftware digital experience OS Command Injection

CVSS: 8.8v3.1HighAnalyzed
Published 05-06-2026Last modified 09-06-2026
Open JSON

Vulnerability summary

CVE-2026-21837 is a high (CVSS 8.8) OS Command Injection vulnerability in hclsoftware digital experience. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-06-2026
    PublishedVulnerability first disclosed.
  2. 09-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.92% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Hcltech2 products
  • digital_experience9.5 | 9.5:cf17 | 9.5:cf171 | 9.5:cf172 | 9.5:cf173 | 9.5:cf18 | 9.5:cf181 | 9.5:cf182 | 9.5:cf183 | 9.5:cf184 | 9.5:cf19 | 9.5:cf191 | 9.5:cf192 | 9.5:cf193 | 9.5:cf194 | 9.5:cf195 | 9.5:cf196 | 9.5:cf197 | 9.5:cf198 | 9.5:cf199 | 9.5:cf200 | 9.5:cf201 | 9.5:cf202 | 9.5:cf203 | 9.5:cf204 | 9.5:cf205 | 9.5:cf206 | 9.5:cf207 | 9.5:cf208 | 9.5:cf209 | 9.5:cf210 | 9.5:cf211 | 9.5:cf212 | 9.5:cf213 | 9.5:cf214 | 9.5:cf215 | 9.5:cf216 | 9.5:cf217 | 9.5:cf218 | 9.5:cf219 | 9.5:cf220 | 9.5:cf221 | 9.5:cf222 | 9.5:cf223 | 9.5:cf224 | 9.5:cf225 | 9.5:cf226 | 9.5:cf227 | 9.5:cf228 | 9.5:cf229 | 9.5:cf230 | 9.5:cf231 | 9.5:cf232 | 9.5:cf233 | 9.5:cf234
  • digital_experience_compose9.5 | 9.5:cf224 | 9.5:cf225 | 9.5:cf226 | 9.5:cf227 | 9.5:cf228 | 9.5:cf229 | 9.5:cf230 | 9.5:cf231 | 9.5:cf232 | 9.5:cf233 | 9.5:cf234
Hclsoftware1 product

2 vendors · 3 products

References

1 links