Multiple Vulnerabilities in Progress LoadMaster (July 15, 2026)

unknownpublic exploitCVE-2026-8037 CVE-2026-33691

Multiple vulnerabilities have been discovered in Progress LoadMaster. They allow an attacker to cause remote arbitrary code execution and a security policy bypass.

CSIRTS triage

vendor: Progress product: LoadMaster Remote code execution Authentication bypass

What: Multiple vulnerabilities could allow remote code execution and security policy bypass.
Who is affected: Users of Progress LoadMaster.
Urgency: Remediation is urgent due to the potential for exploitation.
Action: Users should apply the necessary updates to Progress LoadMaster.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-FR Avis de sécurité (FR · national-cert · site)
Severity: unknown
Published: 2026-07-15
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0883/

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.
Moderate exploitation riskCVE-2026-336913.6% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 88% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-8037	coverage & exploitation status	NVD · CVE.org
CVE-2026-33691	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

criticalexploitedProgress security advisory (AV26-552) – Update 2cccs
highexploitedCISA Adds One Known Exploited Vulnerability to Catalogcisa
criticalexploitedCVE-2026-8037: Progress LoadMaster Command Injection Vulnerabilitycisa-kev
critical[UPDATE] [critical] Kemp LoadMaster: Multiple vulnerabilitiescert-bund

Recent advisories for Progress LoadMaster

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.

criticalexploitedCVE-2026-8037: Progress LoadMaster Command Injection Vulnerabilitycisa-kev · 2026-08-07
high[NEW] [high] Progress Software LoadMaster and MOVEit WAF: Multiple vulnerabilitiescert-bund · 2026-07-28
highCVE-2026-59690: A Missing Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manager,…nvd · 2026-07-27
highCVE-2026-59689: An Incorrect Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manag…nvd · 2026-07-27
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