CVE-2026-4048

OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF

Description

OS Command Injection Remote Code Execution Vulnerability in UI in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in a custom WAF rule file during the file upload process.

Scores

Weaknesses (CWE)

• CWE-77

European references

• ENISA EUVD · EUVD-2026-23859
• GCVE · GCVE-0-2026-4048

Affected configurations (NVD CPE)

• cpe:2.3:a:progress:connection_manager_for_objectscale:*:*:*:*:*:*:*:* < 7.2.63.1
• cpe:2.3:a:progress:ecs_connection_manager:*:*:*:*:*:*:*:* < 7.2.63.1
• cpe:2.3:a:progress:loadmaster:*:*:*:*:ltsf:*:*:* < 7.2.54.17
• cpe:2.3:a:progress:loadmaster:*:*:*:*:ga:*:*:* < 7.2.63.1

Affected products

References

• https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876

Sources