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cve recordhigh

CVE-2026-20190

cisco · identity services engine

Published
CVSS7.5
Severityhigh
WeaknessCWE-285
ExploitedNot in CISA KEV

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

A vulnerability in Cisco ISE and ISE-PIC could allow an unauthenticated, remote attacker to view sensitive information on an affected device. This vulnerability is due to improper authorization checks when a resource is accessed. An attacker could exploit this vulnerability by sending crafted traffic to an affected device. A successful exploit could allow the attacker to gain access to sensitive information, including hashed credentials that could be used in future attacks.

References

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Our coverage of CVE-2026-20190

CVE-2026-20190high

Cisco Identity Services Engine Leaks Information Due to Missing Authentication

Cisco has addressed a critical information disclosure vulnerability in its Identity Services Engine (ISE) that could allow unauthenticated remote attackers to access sensitive data, including stored credentials. The flaw, identified as CVE-2026-20190, stems from a missing authentication check in the handling of upgrade files.