Vulnerability in Cisco Application Policy Infrastructure Controller (APIC)

[ Description ]Official description

A vulnerability in the export policies functionality of Cisco Application Policy Infrastructure Controller (APIC) could allow an authenticated, remote attacker to access sensitive files on an affected device. To exploit this vulnerability, the attacker must have valid administrative credentials. This vulnerability is due to insufficient access control to file system resources. An attacker could exploit this vulnerability by submitting crafted values in specific UI fields. A successful exploit could allow the attacker to access sensitive files from the underlying file system of an affected device, including key materials that could be used to elevate privileges to root on the affected APIC and on managed switches.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL9 Oct 2026NCSC-2026-0409

  Vulnerabilities fixed in Cisco APIC Translated from Dutch

  Probability/damage M/HCVE-2026-20321CVE-2026-76488CVE-2026-76498+2 more CVEs
• BSI CERT-Bund7 Oct 2026WID-SEC-2026-3818

  Cisco Application Policy Infrastructure Controller: Multiple vulnerabilities Translated from German

  CVE-2026-20321CVE-2026-76499CVE-2026-76488+2 more CVEs

[ References ]References

• sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apic-inf…