Cisco Application Policy Infrastructure Controller up to 6.2(2e) access control

Summaryinfo

A vulnerability was found in Cisco Application Policy Infrastructure Controller. It has been rated as very critical. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in access control. This vulnerability is reported as CVE-2026-76498. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as very critical has been found in Cisco Application Policy Infrastructure Controller. This affects an unknown function. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is uniquely identified as CVE-2026-76498 since 08/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/07/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Cisco

Name

• Application Policy Infrastructure Controller

Version

• 5.2(1g)
• 5.2(2e)
• 5.2(2f)
• 5.2(2g)
• 5.2(2h)
• 5.2(3e)
• 5.2(3f)
• 5.2(3g)
• 5.2(4d)
• 5.2(4e)
• 5.2(4f)
• 5.2(4h)
• 5.2(5c)
• 5.2(5d)
• 5.2(5e)
• 5.2(6e)
• 5.2(6g)
• 5.2(6h)
• 5.2(7f)
• 5.2(7g)
• 5.2(8d)
• 5.2(8e)
• 5.2(8f)
• 5.2(8g)
• 5.2(8h)
• 5.2(8i)
• 5.3(1d)
• 5.3(2a)
• 5.3(2b)
• 5.3(2c)
• 5.3(2d)
• 5.3(2e)
• 6.0(1g)
• 6.0(1j)
• 6.0(2h)
• 6.0(2j)
• 6.0(3d)
• 6.0(3e)
• 6.0(3g)
• 6.0(4c)
• 6.0(5h)
• 6.0(5j)
• 6.0(6c)
• 6.0(6g)
• 6.0(6h)
• 6.0(7e)
• 6.0(8d)
• 6.0(8e)
• 6.0(8f)
• 6.0(8h)
• 6.0(9c)
• 6.0(9d)
• 6.0(9e)
• 6.0(9f)
• 6.1(1f)
• 6.1(2f)
• 6.1(2g)
• 6.1(3f)
• 6.1(3g)
• 6.1(4h)
• 6.1(5e)
• 6.2(1f)
• 6.2(1g)
• 6.2(2e)

License

• commercial

Website

• Vendor: https://www.cisco.com/

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Entryinfo

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