Vulnerabilities present in Cisco NX-OS Software

Cisco has addressed several vulnerabilities in the Cisco NX-OS Software. These vulnerabilities concern various components of the Cisco NX-OS Software. - A vulnerability in the Python interpreter allows a malicious local attacker with low privileges to escape the Python sandbox and execute arbitra...

CVE-2026-76471

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of data that is...

CVE-2026-20032

A vulnerability in the Python interpreter of Cisco NX-OS Software could allow an authenticated, local attacker with low privileges to escape the Python sandbox and gain unauthorized access to the underlying operating system of an affected device. This vulnerability is due to insufficient validati...

CVE-2026-20173

A vulnerability in Cisco NX-OS Software could allow an unauthenticated, remote attacker to exhaust system resources, causing a denial of service DoS condition. This vulnerability exists because rate limiting was improperly applied to some protocols. An attacker could exploit this vulnerability by...

CVE-2026-76458 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Handling of Exceptional Conditions Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76458

The Cisco NX-OS Software is affected by vulnerabilities involving the improper handling of exceptional conditions (CWE-703), as identified during a proactive internal security review. The high-severity issue (CVSS 3.1: 8.6) primarily impacts availability and can be triggered over a network with l...

CVE-2026-76459 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76459 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Write Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76459

The Cisco NX-OS Software is affected by out-of-bounds write vulnerabilities, categorized under CWE-787 . These issues were identified during an internal security review by the Cisco NX-OS engineering team. The vulnerabilities are addressed in a software hardening release dated October 2026. The C...

CVE-2026-76471 Cisco NX-OS Software NX-API Remote Code Execution Vulnerability

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of data that is...

CVE-2026-76471 Cisco NX-OS Software NX-API Remote Code Execution Vulnerability

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of data that is...

EUVD-2026-94461

A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service DoS condition on an affected device. The vulnerability is due to insufficient input validation of data that is...

CVE-2026-76455 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76455 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Access Control Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76455

The Cisco NX-OS Software is affected by multiple vulnerabilities categorized as Improper Access Control (CWE-284). These issues were identified during an internal security review and are addressed in the October 2026 Software Security Hardening Release . The vulnerabilities are assigned a CRITICA...

CVE-2026-76457 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Read Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76457 Cisco NX-OS Software Security Hardening Release: October 2026 - Out-of-bounds Read Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76457

The Cisco NX-OS Software is subject to multiple out-of-bounds read vulnerabilities, identified under CWE-125 , following an internal security review. These issues are addressed in the October 2026 Software Security Hardening Release . The vulnerabilities have a HIGH base severity (CVSS 3.1: 8.6) ...

CVE-2026-76456 Cisco NX-OS Software Security Hardening Release: October 2026 - Improper Input Validation Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The...

CVE-2026-76456

The Cisco NX-OS Software is affected by multiple vulnerabilities categorized under CWE-20 (Improper Input Validation) . These issues stem from the improper validation of special elements used in a command issue. The Cisco NX-OS engineering team identified these vulnerabilities through an internal...