RCE in Progress Connection Manager For Objectscale
CVE-2026-4048
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.021 · change: -0.020
Affected products
- Progress Connection Manager For Objectscale
- Progress Ecs Connection Manager
- Progress Loadmaster
- Progress Software Ecs Connections Manager — versions V7.2.49.0
- Progress Software Loadmaster — versions V7.1.20.0
- Progress Software Moveit Waf — versions V7.2.62.0
- Progress Software Object Scale Connection Manager — versions V7.2.62.0
Weakness classification (CWE)
References
- community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-35… (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-4048?
- CVE-2026-4048 is a high-severity vulnerability in Progress Connection Manager For Objectscale, classified under Command Injection. CVSS score: 8.4/10. Published 2026-04-20.
- How severe is CVE-2026-4048?
- High severity. CVSS v3 base score is 8.4 out of 10.