【Vulnerability Alert】Cisco NX-OS Software NX-API Has a Critical Security Vulnerability (CVE-2026-76471)

publish date : 2026-10-22 update date : 2026-10-22

Source: Ministry of education information & communication security contingency platform


Publication Number	TACERT-ANA-2026101511102727	Publication Time	2026-10-15 11:02:28
Incident Type	ANA-Vulnerability Alert	Discovery Time	2026-10-15 11:02:28
Impact Level	Low
[Subject] 【Vulnerability Alert】Cisco NX-OS Software NX-API Has a Critical Security Vulnerability (CVE-2026-76471)
[Content] Forwarded from TWCERTCC-200-202610-00000020 Cisco has issued an advisory regarding a critical security vulnerability in its NX-OS Software NX-API (CVE-2026-76471, CVSS: 9.8). This vulnerability may allow an unauthenticated remote attacker to execute code with root privileges or cause a Denial-of-Service (DoS) attack on the affected device. Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform] UCS 6300 Series Fabric Interconnect Cisco UCS Software version 4.2 and earlier (inclusive), UCS 6300 Series Fabric Interconnect Cisco UCS Software version 4.3
[Recommended Actions] Please update to UCS 6300 Series Fabric Interconnect Cisco UCS Software version 4.3(6j) or later (inclusive)
[Reference] 1. https://www.twcert.org.tw/tw/cp-169-11284-1c474-1.html

(This notification is for informational purposes only and does not constitute a cybersecurity incident).
If you have questions or suggestions regarding this notification, please feel free to contact us.
Ministry of education information & communication security contingency platform
Website: https://info.cert.tanet.edu.tw/
Phone: +886-7-5250211
Internet Phone: 98400000
E-Mail: service@cert.tanet.edu.tw

Organizer: Computer Center

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