CVE-2026-8037
Actively exploited. CVE-2026-8037 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-08-07) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2026-8037 is indexed in GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-8037 Progress LoadMaster Command Injection Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding Operational Directive (BOD) 26-04: Prioritizing Security Updates Based on Risk establishes vulnerability management requirements for Federal Civilian Executive Branch (FCEB) agencies. BOD 26-04 reinforces the importance of the KEV Catalog and requires federal agencies to prioritize rapid remediation of high-risk vulnerabilities, specifically those identified by Common Vulnerabilities and Exposures (CVEs) listed in CISA’s KEV Catalog on publicly exposed assets that grant total control of the asset post-exploitation, while deferring action for lower-risk vulnerabilities. BOD 26-04 further establishes basic expectations for when agencies must check whether threat actors compromised the system before the patch was applied. While BOD 26-04 applies only to FCEB agencies, CISA encourages all organizations to adopt risk-based vulnerability management and prioritize remediation of KEV Catalog vulnerabilities . CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . Aware of an exploited vulnerability not currently listed in the KEV Catalog? Submit it for potential addition through CISA’s KEV Nomination Form . Potential KEV additions must have a CVE ID, evidence of exploitation, and clear mitigation guidance.
CSIRTS triage
- What
- CISA added CVE-2026-8037 to its Known Exploited Vulnerabilities catalog due to evidence of active exploitation.
- Who is affected
- Federal Civilian Executive Branch agencies and any organization using Progress LoadMaster.
- Urgency
- Critical; actively exploited vulnerability requiring immediate prioritization under BOD 26-04.
- Action
- Consult CISA KEV Catalog and apply available patches for CVE-2026-8037 to all exposed LoadMaster instances.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99.9% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2026-8037 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (5)
- criticalexploitedProgress security advisory (AV26-552) – Update 2cccs · 2026-08-07
- highexploitedCISA Adds One Known Exploited Vulnerability to Catalogcisa · 2026-08-07
- criticalexploitedCVE-2026-8037: Progress LoadMaster Command Injection Vulnerabilitycisa-kev · 2026-08-07
- unknownMultiple Vulnerabilities in Progress LoadMaster (July 15, 2026)cert-fr-avis · 2026-07-15
- critical[UPDATE] [critical] Kemp LoadMaster: Multiple vulnerabilitiescert-bund · 2026-07-02
External references
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[](https://www.csirts.com/cve/CVE-2026-8037)