Cisco ISE Vulnerabilities & Security Advisories
29 advisories tracked · Cisco Security Advisories · 2 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Cisco advisory that VulniPulse classified as ISE, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 9 critical, 3 high, 15 medium.
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Cisco Security Advisories
Polled via the official Cisco PSIRT RSS feed. Advisory pages are fetched for new items to extract fixed software and workarounds.
Latest Cisco ISE advisories
Advisory Cisco Advance Notification for Publication of November 4, 2026, Security Advisories
On November 4, 2026, the Cisco Product Security Incident Response Team (PSIRT) will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: - Identity Services Engine (ISE) - UCS Central Software - Unified Communications Manager To remediate vulnerabilities to be disclosed on November 4, 2026, Cisco strongly recommends that customers upgrade to the fixed software indicated in the advisories. Important: The Cisco PSIRT does not plan to publish any more security hardening advisories to disclose security vulnerability information for the remainder of calendar year 2026. The next planned publication of advisories for security-hardened releases will be January 20, 2027. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery.
Critical [CVE-2026-20176 +2] Cisco Identity Services Engine Remote Code Execution Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. To exploit these vulnerabilities, the attacker must have valid administrative credentials. Affected product named by the advisory: Identity Services Engine Software.
Critical [CVE-2026-20282 +2] Cisco Identity Services Engine Authenticated Remote Code Execution and API Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct SQL injections, modify data, or execute arbitrary commands on the underlying operating system on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Affected product named by the advisory: Identity Services Engine Software.
Critical [CVE-2026-76423 +5] Cisco Identity Services Engine Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to bypass authentication to the REST API, achieve remote code execution, perform SQL injection, and conduct XML External Entity injection attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Affected products named by the advisory: Identity Services Engine Software.
Critical [CVE-2026-20130 +5] Cisco Identity Services Engine Hardening Release: September 2026
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) engineering teams have conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. Affected products named by the advisory: Identity Services Engine Software.
Critical [CVE-2026-20305 +1] Cisco Identity Services Engine Command Injection Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform command injection attacks on an affected device and execute arbitrary commands as the root user. To exploit these vulnerabilities, the attacker must have valid administrative credentials. Affected products named by the advisory: Identity Services Engine Software.
Critical [CVE-2026-76460] Cisco Identity Services Engine Authentication Bypass Vulnerability
An unauthenticated remote attacker could exploit a flaw in an API of Cisco Identity Services Engine (ISE) to bypass authentication. The flaw is caused by insufficient authentication control on an API endpoint. Affected products named by the advisory: ISE Passive Identity Connector; Identity Services Engine Software.
High [CVE-2026-20352] Cisco Identity Services Engine RADIUS Denial of Service Vulnerability
An unauthenticated remote attacker could exploit a flaw in the RADIUS feature of Cisco Identity Services Engine (ISE) to cause a denial of service (DoS) condition on an affected device. The flaw is caused by improper handling of certain RADIUS requests. Affected product named by the advisory: Identity Services Engine Software.
High [CVE-2026-20247 +1] Cisco Identity Services Engine SQL Injection Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow a remote attacker to conduct SQL injection attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Affected product named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-20071 +1] Cisco Identity Services Engine 802.1X Session Hijack and Information Disclosure Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an unauthenticated, local attacker to either conduct an authentication bypass or disclose sensitive information. For more information about these vulnerabilities, see the Details section of this advisory. Affected product named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-76431 +3] Cisco Identity Services Engine Multiple Path Traversal Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to conduct path traversal attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Affected products named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-20309] Cisco Identity Services Engine Cross-Site Scripting Vulnerability
An unauthenticated remote attacker could exploit a flaw in the web-based management interface of Cisco Identity Services Engine (ISE) to conduct a reflected cross-site scripting (XSS) attack against a user of the interface. Affected product named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-20285 +1] Cisco Identity Services Engine Authorization Bypass Vulnerabilities
Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to modify parts of the configuration on an affected device. These vulnerabilities are due to the lack of server-side validation of Administrator permissions. Affected products named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-76439 +3] Cisco Identity Services Engine Authentication Bypass Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to access or manipulate data, obtain sensitive information, or cause a reload of certificate and key material on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is part of a group of advisories. For a complete list of the advisories and links to them, see Cisco Advance Notification for Publication of September 16, 2026, Security Advisories. In addition, for further documentation of improvements and fixes in Cisco Identity Services Engine, see Cisco Identity Services Engine Security Hardening Release: September 2026. Affected products named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-76448 +3] Cisco Identity Services Engine SQL and HQL Injection Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to conduct SQL or HQL injection attacks on an affected device. These vulnerabilities are due to insufficient validation of user-supplied input to the affected APIs before it is used to build database queries. Affected products named by the advisory: Identity Services Engine Software.
Medium [CVE-2026-20235] Cisco Identity Services Engine Information Disclosure Vulnerability
A vulnerability in the API of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to view sensitive information on an affected device. The flaw is caused by insufficient validation of user-supplied parameters in API requests. Affected product named by the advisory: Identity Services Engine Software.
Advisory [CVE-2026-20130 +23] Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
On September 16, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery. Cisco Identity Services Engine Title CVE ID SIR Base Score Critical 10.0 9.9 9.1 High 8.6 7.5
Medium [CVE-2026-20146] Cisco Identity Services Engine Path Traversal Vulnerability
A vulnerability in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow an authenticated, remote attacker to perform path traversal attacks on the underlying operating system to either read or delete arbitrary files. The flaw is caused by improper validation of user-supplied input. Affected products named by the advisory: Identity Services Engine Software.
High [CVE-2026-20146 +6] Cisco Advance Notification for Publication of July 15, 2026, Security Advisories
On July 15, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco RoomOS Security Hardening Release: July 2026 CVE-2026-20150 CVE-2026-20153 CVE-2026-20156 CVE-2026-20157 CVE-2026-20158 CVE-2026-20187 High 8.8 Cisco Identity Services Engine Path Traversal Vulnerability CVE-2026-20146 Medium 5.5 To fully remediate the vulnerabilities that were disclosed on July 15, 2026, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see…
Critical [CVE-2026-20181 +1] Cisco Identity Services Engine Remote Code Execution and Information Disclosure Vulnerabilities
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) could allow a remote attacker to achieve remote code execution or conduct information disclosure attacks on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. Affected products named by the advisory: Identity Services Engine Software.