Cisco Nexus Dashboard Software Security Hardening Release September 2026 - Missing Authentication for Critical Function
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Nexus Dashboard engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20326 are related to missing authentication for critical function issues that are grouped under the Common Weakness Enumeration (CWE) CWE-306.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco Nexus Dashboard | 2.1(1d); 2.1(1e); 2.1(2d); 2.2(1h); 2.2(1e); 2.2(2d); 2.1(2f); 2.3(1c); 2.3(2b); 2.3(2c); 2.3(2d); 2.3(2e); 3.0(1f); 3.0(1i); 3.1(1k); 3.1(1l); 3.2(1e); 3.2(1i); 3.3(1a); 3.3(1b); 3.3(2b); 4.0(1i); 3.3(2g); 3.2(2f); 3.2(2g); 3.2(2m); 3.1(1n); 4.1(1g); 4.2.1 | — | No fix listed | CNA |
- Cisco Nexus Dashboard VendorCisco Affected 2.1(1d); 2.1(1e); 2.1(2d); 2.2(1h); 2.2(1e); 2.2(2d); 2.1(2f); 2.3(1c); 2.3(2b); 2.3(2c); 2.3(2d); 2.3(2e); 3.0(1f); 3.0(1i); 3.1(1k); 3.1(1l); 3.2(1e); 3.2(1i); 3.3(1a); 3.3(1b); 3.3(2b); 4.0(1i); 3.3(2g); 3.2(2f); 3.2(2g); 3.2(2m); 3.1(1n); 4.1(1g); 4.2.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20326
- 2026-10-03 Alias added: GHSA-7m45-wvmr-jx5q
References
More Cisco vulnerabilities
- TI-2026-74174 Arbitrary file write in Cisco Secure Email Gateway via AMP feature KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53490 Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53489 Cisco Secure Email Gateway SQL Injection Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2026-53488 Cisco Identity Services Engine Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16388 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2026-16344 Cisco Secure Firewall Management Center Software Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2026-20326 · CVE Program
- CVE-2026-20326 · NVD
- FIRST EPSS
- GHSA-7m45-wvmr-jx5q · GitHub Advisory Database · CC BY 4.0
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