Cisco Security Advisoriescisco-sa-ise-multiauth-bypass-sgD2HbL4

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 available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-multiauth-bypass-sgD2HbL4 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. Security Impact Rating: Medium CVE: CVE-2026-76439,CVE-2026-76444,CVE-2026-76446,CVE-2026-76447

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MediumCVSS not listedMedium severity

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Sep 24, 2026 at 5:25 PM UTC
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Sep 16, 2026 at 4:10 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Sep 24, 2026 at 5:16 PM UTC
Published by Cisco
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Sep 26, 2026 at 6:40 PM UTC
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Vulnerabilities

CVEs named in this advisory

CVE-2026-76439View CVSS, KEV, EPSS, and threat context CVE-2026-76444View CVSS, KEV, EPSS, and threat context CVE-2026-76446View CVSS, KEV, EPSS, and threat context CVE-2026-76447View CVSS, KEV, EPSS, and threat context

Source

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Vendor: Cisco
Advisory ID: cisco-sa-ise-multiauth-bypass-sgD2HbL4
Last source check: Sep 26, 2026 at 6:40 PM UTC

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