CVE-2026-8037
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
9.6
CRITICAL
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
99.6%
99.9th percentile
CISA KEV
Listed
Added 2026-08-07 · patch by 2026-08-10
Weakness / dates
CWE-77
Published 2026-06-04 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
| Attack Vector | A | Adjacent |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | C | Changed |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-06-04 — Published (NVD)
- 2026-08-07 — Added to CISA KEV (actively exploited)
- 2026-08-10 — CISA patch-by deadline
- 2026-08-10 — Last modified (NVD)
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
Affected
References
- https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-June-2026-CVE-2026-8037-CVE-2026-33691
- exploit 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