TI-2026-69240 Aliases CVE-2026-76498 GHSA-3p58-9w7j-33mj

Improper access control in Cisco APIC allows unauthenticated access

MEDIUM 49CWE-284Published 2026-10-07 · Updated 2026-11-07

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-284.

Summary

Cisco Application Policy Infrastructure Controller (APIC) releases starting at 5.2(1g) are affected, and the listed ranges reach 6.2(2e). The flaw is improper access control (CWE-284), which lets requests bypass intended access checks. An unauthenticated remote attacker needs no user interaction and can gain high impact to confidentiality, integrity and availability. The CVSS 3.1 base score is 9.8 (critical).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76498 are related to improper access control issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-284.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00301 22nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
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 Application Policy Infrastructure Controller (APIC)	5.2(1g); 5.2(2e); 5.2(2f); 5.2(2g); 5.2(2h); 5.2(3f); 5.2(3e); 5.2(3g); 5.2(4d); 5.2(4e); 5.2(5d); 5.2(5c); 6.0(1g); 5.2(5e); 5.2(4f); 5.2(6e); 6.0(1j); 5.2(6g); 5.2(7f); 5.2(7g); 6.0(2h); 5.2(6h); 5.2(4h); 5.2(8d); 6.0(2j); 5.2(8e); 6.0(3d); 6.0(3e); 5.2(8f); 5.2(8g); 5.3(1d); 5.2(8h); 6.0(4c); 5.3(2a); 5.2(8i); 6.0(5h); 5.3(2b); 6.0(3g); 6.0(5j); 5.3(2c); 6.0(6c); 6.1(1f); 6.0(7e); 5.3(2d); 6.0(8d); 6.0(8e); 6.1(2f); 6.0(8f); 5.3(2e); 6.1(2g); 5.3(2f); 6.0(9c); 6.1(3f); 6.0(9d); 6.0(6g); 6.0(6h); 6.0(8h); 6.1(3g); 6.1(4h); 6.0(9e); 6.1(5e); 6.2(1f); 6.2(1g); 6.0(9f); 6.2(2e)	—	No fix listed	CNA

Cisco Application Policy Infrastructure Controller (APIC) VendorCisco Affected 5.2(1g); 5.2(2e); 5.2(2f); 5.2(2g); 5.2(2h); 5.2(3f); 5.2(3e); 5.2(3g); 5.2(4d); 5.2(4e); 5.2(5d); 5.2(5c); 6.0(1g); 5.2(5e); 5.2(4f); 5.2(6e); 6.0(1j); 5.2(6g); 5.2(7f); 5.2(7g); 6.0(2h); 5.2(6h); 5.2(4h); 5.2(8d); 6.0(2j); 5.2(8e); 6.0(3d); 6.0(3e); 5.2(8f); 5.2(8g); 5.3(1d); 5.2(8h); 6.0(4c); 5.3(2a); 5.2(8i); 6.0(5h); 5.3(2b); 6.0(3g); 6.0(5j); 5.3(2c); 6.0(6c); 6.1(1f); 6.0(7e); 5.3(2d); 6.0(8d); 6.0(8e); 6.1(2f); 6.0(8f); 5.3(2e); 6.1(2g); 5.3(2f); 6.0(9c); 6.1(3f); 6.0(9d); 6.0(6g); 6.0(6h); 6.0(8h); 6.1(3g); 6.1(4h); 6.0(9e); 6.1(5e); 6.2(1f); 6.2(1g); 6.0(9f); 6.2(2e) Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:cisco:application_policy_infrastructure_controller::::::::	—	—	Cisco

cpe:2.3:a:cisco:application_policy_infrastructure_controller:*:*:*:*:*:*:*:* Versions — — ·Cisco

Remediation

The sources list no fixed version for Cisco Application Policy Infrastructure Controller (APIC).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-07 Threatist record created from CVE-2026-76498
2026-10-07 CISA SSVC decision points changed
2026-10-07 Alias added: GHSA-3p58-9w7j-33mj

References

Other 1

cisco-sa-hardening-apic-UOXWtfh

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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

See all 7059 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences