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Medium severity4.9NVD Advisory· Published Sep 16, 2026· Updated Sep 28, 2026

CVE-2026-76446

CVE-2026-76446

Description

A vulnerability in an API of Cisco ISE and Cisco ISE-PIC could allow an authenticated, remote attacker to read specific files on the underlying operating system of an affected device.

This vulnerability is due to improper restriction of XML external entity references. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to read specific files on the affected system that the underlying process has permission to access.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

44
  • Cisco Systems, Inc./Identity Services Engine Software23 versions
    cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*+ 22 more
    • cpe:2.3:a:cisco:identity_services_engine:*:*:*:*:*:*:*:*range: <3.3.0
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch11:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.3.0:patch9:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.4.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine:3.5.0:patch3:*:*:*:*:*:*
  • Cisco Systems, Inc./Identity Services Engine Passive Identity Connector19 versions
    cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*+ 18 more
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:*:*:*:*:*:*:*:*range: <3.3.0
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch10:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch11:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch6:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch7:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch8:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.3.0:patch9:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:-:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch1:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch2:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch3:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch4:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch5:*:*:*:*:*:*
    • cpe:2.3:a:cisco:identity_services_engine_passive_identity_connector:3.4.0:patch6:*:*:*:*:*:*
  • Cisco Systems, Inc./ISEllm-fuzzy
  • Cisco Systems, Inc./ISE-PICllm-fuzzy

Patches

Vulnerability mechanics

References

1

News mentions

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