CVE-2026-8037: Progress LoadMaster Command Injection Vulnerability
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Progress LoadMaster contains a command injection vulnerability that allows an un-authenticated attacker to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints.
CSIRTS triage
- What
- LoadMaster contains an unauthenticated command injection vulnerability allowing arbitrary command execution through unsanitized input in command endpoints.
- Who is affected
- All LoadMaster appliances exposed to network access without authentication controls.
- Urgency
- Critical; actively exploited in the wild with no authentication required for exploitation.
- Action
- Apply patches from Progress immediately and restrict network access to LoadMaster admin interfaces.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch LoadMaster
Get an email when a new LoadMaster advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-8037
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation confirmedCVE-2026-8037Already exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-8037 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- criticalexploited[UPDATE] [kritisch] Kemp LoadMaster: Mehrere Schwachstellencert-bund
- criticalexploitedProgress security advisory (AV26-552) – Update 2cccs
- highexploitedCISA Adds One Known Exploited Vulnerability to Catalogcisa
- unknownMultiple Vulnerabilities in Progress LoadMaster (July 15, 2026)cert-fr-avis
Recent advisories for Progress LoadMaster Command
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-59688: An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager,…nvd · 2026-07-27
- highCVE-2026-59687: An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager,…nvd · 2026-07-27
- highCVE-2026-59686: An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager,…nvd · 2026-07-27
- criticalexploitedCVE-2024-1212: Progress Kemp LoadMaster OS Command Injection Vulnerabilitycisa-kev · 2024-11-18
More from CISA Known Exploited Vulnerabilities
- criticalCVE-2026-85706: GitLab Community Edition and Enterprise Edition Path Traversal Vulnerability2026-09-11
- criticalCVE-2026-42016: JFrog Artifactory Incorrect Authorization Vulnerability2026-09-11
- criticalCVE-2026-42018: JFrog Artifactory Improper Authentication Vulnerability2026-09-11
- criticalCVE-2026-84869: ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization Vulnerabilit…2026-09-11
- criticalCVE-2026-86060: MikroTik RouterOS Improper Neutralization of Argument Delimiters in a Command Vulnerability2026-09-10