【Vulnerability Alert】Cisco Application Policy Infrastructure Controller Has Three Critical Security Vulnerabilities

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

Source: Ministry of education information & communication security contingency platform

Publication Number TACERT-ANA-2026101604100909 Publication Time 2026-10-16 16:03:12
Incident Type ANA-Vulnerability Alert Discovery Time 2026-10-16 16:03:12
Impact Level Low  
[Subject]
【Vulnerability Alert】Cisco Application Policy Infrastructure Controller Has Three Critical Security Vulnerabilities
[Content]
Forwarded from TWCERTCC-200-202610-00000027

The Cisco Application Policy Infrastructure Controller development team discovered multiple security vulnerabilities during an internal security review and has completed the necessary patches. Currently, no evidence has been found indicating that these vulnerabilities are being actively exploited. To help customers deploy security updates in a timely manner and simplify the vulnerability disclosure process, Cisco has publicly released the relevant vulnerability information and recommended remediation measures.
CVE-2026-76498, CVSS: 9.8, Improper Access Control Vulnerability.
CVE-2026-76499, CVSS: 9.8, Improper Handling Vulnerability.
CVE-2026-76500, CVSS: 9.8, Improper Control During Product Lifecycle.

Information Sharing Level: WHITE (Information content can be publicly disclosed)
[Affected Platform]
Cisco APIC version 5.3 and earlier (inclusive), Cisco APIC version 6.0, Cisco APIC version 6.1, Cisco APIC version 6.2
[Recommended Actions]
Please update to the following versions: Cisco APIC version 6.0 (9h) or later (inclusive), Cisco APIC version 6.1 (6g) or later (inclusive), Cisco APIC version 6.2 (3g) or later (inclusive)

[Reference]

 1. https://www.twcert.org.tw/tw/cp-169-11291-c25ec-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