CVE-2026-76487
Cisco Unified Communications Manager Improper Access Control Vulnerability
Description
A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an unauthenticated, remote attacker to conduct access control bypass attacks on an affected device. This vulnerability is due to improper input validation for specific HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to access parts of the network that are beyond the scope of their intended access.
Weakness: CWE-749
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Unified Communications Manager | Other Products | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Unified Communications Manager
Vendor advisory
Cisco Unified Communications Manager Improper Access Control Vulnerability
Cisco’s rating: Medium (advisory CVSS 5.3) · Published Oct 21, 2026
Bug ID: CSCwv00936
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from