# CVE-2026-4048

> Vulnerability · severity: **HIGH** (CVSS 8.4).

## 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.

## Key facts

- **CVE ID:** CVE-2026-4048
- **Published:** 2026-04-20
- **CVSS severity:** HIGH
- **CVSS base score:** 8.4
- **CWE codes:** CWE-77

## Affected products

- `progress:connection_manager_for_objectscale`
- `progress:ecs_connection_manager`
- `progress:loadmaster`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4048

## Citation

> AI Analytics. CVE-2026-4048. Retrieved 2026-07-10 from https://api.ai-analytics.org/cve/CVE-2026-4048. Derived from NIST NVD. Licensed CC0.

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