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CVE-2026-8037criticalunder attackCWE-77

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

100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 9.6epss 99%
from disclosure to weapon26 days
Published on NVDJun 4
1st PoC+26d
CISA KEV+64d
exploitation probability
99%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
4 public exploit(s)
Action required by CISAfederal deadline: 2026-08-10

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

In short

An attacker can run harmful commands on Progress LoadMaster devices without logging in, by sending specially crafted requests to the API. This allows complete control of the affected systems.

Technical detail

OS command injection vulnerability in Progress ADC API endpoints due to insufficient input sanitization. Un-authenticated attackers can execute arbitrary OS commands via malicious payloads in multiple command endpoints, achieving remote code execution with system-level privileges.

Summary generated and translated by AI from the official description.
OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.