CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added CVE-2026-34197, an Apache ActiveMQ Improper Input Validation vulnerability, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. This vulnerability represents a frequent attack vector exploited by malicious cyber actors and poses significant risks to federal enterprise networks. Under Binding Operational Directive 22-01, Federal Civilian Executive Branch agencies are required to remediate this vulnerability by the designated due date. While BOD 22-01 applies specifically to FCEB agencies, CISA strongly recommends all organizations prioritize timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practices to reduce exposure to cyberattacks. This addition underscores the ongoing exploitation of input validation weaknesses in enterprise software.

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-34197 Apache ActiveMQ Improper Input Validation 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) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria .

CISA has added CVE-2026-34197, an Apache ActiveMQ Improper Input Validation vulnerability, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. This vulnerability represents a frequent attack vector exploited by malicious cyber actors and poses significant risks to federal enterprise networks. Under Binding Operational Directive 22-01, Federal Civilian Executive Branch agencies are required to remediate this vulnerability by the designated due date. While BOD 22-01 applies specifically to FCEB agencies, CISA strongly recommends all organizations prioritize timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practices to reduce exposure to cyberattacks. This addition underscores the ongoing exploitation of input validation weaknesses in enterprise software. CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-34197 Apache ActiveMQ Improper Input Validation 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) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria . CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-34197 Apache ActiveMQ Improper Input Validation 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) 22-01: Reducing the Significant Risk of Known Exploited Vulnerabilities established the KEV Catalog as a living list of known Common Vulnerabilities and Exposures (CVEs) that carry significant risk to the federal enterprise. BOD 22-01 requires Federal Civilian Executive Branch (FCEB) agencies to remediate identified vulnerabilities by the due date to protect FCEB networks against active threats. See the BOD 22-01 Fact Sheet for more information. Although BOD 22-01 only applies to FCEB agencies, CISA strongly urges all organizations to reduce their exposure to cyberattacks by prioritizing timely remediation of KEV Catalog vulnerabilities as part of their vulnerability management practice. CISA will continue to add vulnerabilities to the catalog that meet the specified criteria .