Cisco Identity Services Engine Authentication Bypass Vulnerabilities — CISCO-SA-ISE-MULTIAUTH-BYPASS-SGD2HBL4

Summary

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…

Timeline

Published by source

2026-09-16

Last source activity

2026-09-24

Time from publication to latest source activity

8 days

Risk context

• Reported severity or threat level: medium.
• Review exposure for the affected product or family: Cisco Identity Services Engine Authentication Bypass.

Product

Cisco Identity Services Engine Authentication Bypass

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

CISCO-SA-ISE-MULTIAUTH-BYPASS-SGD2HBL4

Source

Cisco

Vendor

Cisco

Published by source

2026-09-16

Last source activity

2026-09-24

Additional identifiers

CVE-2026-76439

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.