Progress LoadMaster · OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an un-authenticated
Affects Progress LoadMasterSource GCVE Database
Exploited in the wild · KEV due 10 Aug 2026 · public detection template (Nuclei) · 99% EPSS : upgrade to V7.2.63.2 or V7.2.54.18 now.
Data as of 6 Nov 2026, 23:24 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 99.7% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in V7.2.63.2, V7.2.54.18
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 4 Jun 2026
Detectable: evidence found.
nuclei template: Progress ADC LoadMaster - Command Injection
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 64 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Progress Software Corporation
, 29 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 20 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 64 days after disclosure
KEV remediation due
US federal deadline
, 67 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
Upgrade LoadMaster to V7.2.63.2 or V7.2.54.18; ECS Connections Manager and Object Scale Connection Manager and MOVEit WAF to V7.2.63.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareLoadMaster | Affected
| Fixed in
|
| Progress SoftwareECS Connections Manager | Affected
| Fixed in
|
| Progress SoftwareObject Scale Connection Manager | Affected
| Fixed in
|
| Progress SoftwareMOVEit WAF | Affected
| Fixed in
|
Description
CVE-2026-8037 is a critical OS command injection vulnerability in the API of Progress LoadMaster products. It allows unauthenticated attackers to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in multiple command endpoints. The vulnerability has a high impact on confidentiality, integrity, and availability. Exploits are known to exist in the wild.
References
- nvd.nist.gov/vuln/detail/CVE-2026-8037 (opens in a new tab)
- community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691 (opens in a new tab)
- labs.watchtowr.com/enterprise-tech-in-shell-out-progress-kemp-loadmaster-uninitialized-heap-to-pre-auth-rce-cve-2026-8037 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8037 (opens in a new tab)
- esentire.com/security-advisories/progress-kemp-loadmaster-vulnerability-targeted-cve-2026-8037 (opens in a new tab)