CVE-2026-8037
CRITICALCVSS 3.1 · 9.8 · NIST NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
CISA KEV: known exploited
Added: 2026-08-07 · Due: 2026-08-10
Known ransomware use: Unknown
EPSS: 99.84% · Percentile: 100.0%
As of 2026-10-27
EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.
CWE: CWE-77 · Published: 2026-06-04T14:16:45.177 · Modified: 2026-10-15T14:17:29.840
Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.
All CVSS assessments
- CVSS 3.1: 9.8 (CRITICAL) · NIST NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1: 9.6 (CRITICAL) · security@progress.com
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References and fixes
- https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691
- https://labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8037
- https://www.esentire.com/security-advisories/progress-kemp-loadmaster-vulnerability-targeted-cve-2026-8037