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Cisco security patch release for CVE-2026-20184

Security Patch Release
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Last updated
Happening score
H score 44
1 unique sources, 1 articles

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Cisco released patches for four critical flaws affecting Identity Services Engine (ISE), ISE-PIC, and Webex Services, closing paths to arbitrary code execution and user impersonation. The bulletin covers CVE-2026-20184, CVE-2026-20147, CVE-2026-20180, and CVE-2026-20186, including bugs that can be triggered with crafted HTTP requests or an SSO certificate issue. CVE-2026-20184 is cloud-based and requires SSO customers to upload a new IdP SAML certificate to Control Hub, while the ISE fixes are available in specific patched releases. Cisco said it is not aware of exploitation in the wild.

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Timeline

  1. 16.04.2026 14:27 2 articles · 3mo ago

    Cisco releases patches for critical ISE and Webex Services flaws

    Mitigation Patch Update

    Cisco released patches for four critical vulnerabilities in Identity Services Engine (ISE), ISE-PIC, and Webex Services: CVE-2026-20184, CVE-2026-20147, CVE-2026-20180, and CVE-2026-20186. The flaws could let a remote attacker impersonate users, execute arbitrary code or commands, and in single-node ISE deployments cause the affected node to become unavailable, creating a DoS condition. CVE-2026-20184 is cloud-based and requires no customer action, while SSO customers should upload a new IdP SAML certificate to Control Hub and ISE customers should move to the fixed releases; Cisco said it is not aware of exploitation in the wild.

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