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CISA Adds Progress Kemp LoadMaster Command Injection Flaw CVE-2026-8037 to KEV Catalog After Confirmed Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency has added a known command injection vulnerability in Progress Software's Kemp LoadMaster application delivery product to its Known Exploited Vulnerabilities catalog. The flaw, tracked as CVE-2026-8037, allows unauthenticated attackers to execute arbitrary commands on affected devices because input values are not properly sanitized. CISA issued the addition on August 7, 2026, and directed federal agencies to apply mitigations by August 10, 2026. The same product was previously targeted through another flaw, CVE-2024-1212, which was also added to the KEV list after exploitation. Security researchers note that the vulnerability poses a broad risk because it requires no authentication and can be leveraged to compromise load balancers and related infrastructure. Organizations using Progress Kemp LoadMaster are urged to review vendor advisories and implement available patches without delay.

Security NEXTTranslated from Japanese

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CISA has added the command injection vulnerability CVE-2026-8037 affecting Progress Kemp LoadMaster to its Known Exploited Vulnerabilities catalog following confirmed active exploitation.

The flaw resides in the application delivery controller product from Progress Software. Because input values are not properly sanitized, unauthenticated attackers can execute arbitrary commands on the device. The vulnerability does not require any form of authentication, significantly lowering the barrier for successful attacks.

On August 7, 2026, CISA placed the issue in the KEV list and instructed U.S. federal agencies to complete remediation by August 10, 2026. The agency warned that the flaw is likely to see wider exploitation and that all users should take immediate protective action.

This is not the first time Progress Kemp LoadMaster has been targeted. In 2024 the product was also compromised via CVE-2024-1212, which was likewise added to the KEV catalog after exploitation was observed in the wild.

Security teams are advised to apply vendor patches as soon as they become available and to monitor network traffic for indicators of compromise associated with this vulnerability.

Progress Kemp LoadMasterCVE-2026-8037CVE-2024-1212
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