Advisory [CVE-2026-20130 +23] Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
This security Cisco advisory covers CVE-2026-20130 and CVE-2026-20176 and 22 more CVEs.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations. This bulletin covers 24 CVEs; its score, affected versions and guidance may apply to different issues within that bulletin.
VulniPulse record published Record updated
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Summary
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
CISA Known Exploited Vulnerability
- Listed:
- Sep 16, 2026 · federal remediation due Sep 19, 2026
- Required action:
- Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
KEV is a prioritization signal from CISA. Remediation detail comes from the vendor advisory.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · medium-confidence parse· fetched 14 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 14 days ago·verify at source
Mitigation checklist
- To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories.
Official advisory · medium-confidence parse· fetched 14 days ago·verify at source
More Cisco advisories
- CVE-2026-76418Oct 28, 2026Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense
- cisco-sa-notice-I8z3n6lKOct 28, 2026Cisco Advance Notification for Publication of November 4, 2026, Security Advisories
- CVE-2026-105482Oct 27, 2026Vulnerabilities in Node.js Affecting Cisco Products: October 2026
- cisco-sa-emudhra-info-ScS22A1rOct 23, 2026Cisco Informational for Emergency Distrust of eMudhra Root and Intermediate Certificate
- CVE-2026-109618Oct 21, 2026Vulnerabilities in PHP Affecting Cisco Products: October 2026
- CVE-2026-76445Oct 21, 2026Multiple Cisco Products Snort 3 Denial of Service Vulnerability
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