CVE-2026-20107

The CVE concerns Cisco Application Policy Infrastructure Controller (APIC) in the Object Model CLI. A vulnerability in the CLI input validation could allow an authenticated, local attacker with any role granting CLI access to issue crafted commands and trigger a device reload, causing a DoS. Affe...

CVE-2026-20051

Summary: CVE-2026-20051 affects Cisco Nexus 3600 Series switches and Nexus 9500-R Series platforms, where a logic error in Ethernet VPN (EVPN) Layer 2 ingress packet processing can be triggered by a crafted Layer 2 frame. An unauthenticated, adjacent attacker could induce a Layer 2 traffic loop t...

CVE-2026-20122 Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite Vulnerability

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This...

CVE-2026-20122

Cisco Catalyst SD-WAN Manager API vulnerability (CVE-2026-20122) affects the Cisco Catalyst SD-WAN Manager, including the Data Collection Agent service. The root cause is improper file handling and privileged API usage on the API interface, enabling an authenticated, remote attacker with valid re...

CVE-2026-20122

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This...

CVE-2026-20122 Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite Vulnerability

A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vulnerability, the attacker must have valid read-only credentials with API access on the affected system. This...

CVE-2026-20127

CVE-2026-20127 concerns a vulnerability in the peering authentication of Cisco Catalyst SD-WAN Controller (formerly SD-WAN vSmart) and Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage). The flaw allows an unauthenticated, remote attacker to bypass authentication and obtain administrative pr...

CVE-2026-20128

A vulnerability in the Data Collection Agent DCA feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An...

CVE-2026-20128

CVE-2026-20128 affects Cisco Catalyst SD-WAN Manager: Data Collection Agent stores the DCA password in a recoverable credential file on the filesystem, enabling an authenticated, local attacker with valid vManage credentials to read the file and gain DCA user privileges, potentially compromising ...

CVE-2026-20129

CVE-2026-20129 involves Cisco Catalyst SD-WAN Manager API authentication—an unauthenticated, remote attacker could exploit an improper authentication flaw to execute commands with the netadmin role. The advisory notes that affected systems could be compromised via crafted API requests, resulting ...

CVE-2026-20129 Cisco Catayst SD-WAN Authentication Bypass Vulnerability

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role. The vulnerability is due to improper authentication for requests that are sent to the API. An...

CVE-2026-20129 Cisco Catayst SD-WAN Authentication Bypass Vulnerability

A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the netadmin role. The vulnerability is due to improper authentication for requests that are sent to the API. An...

CVE-2026-20126

Cisco Catalyst SD-WAN Manager exposes an insufficient authentication mechanism in its REST API, enabling an authenticated, low-privilege attacker to gain root on the underlying OS. Affected vector is NETWORK with LOW privileges required, no user interaction, resulting in HIGH confidentiality, int...

CVE-2026-20126 Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this...

CVE-2026-20133

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this...

Active exploitation of Cisco Catalyst SD-WAN by UAT-8616

Cisco Talos is tracking the active exploitation of CVE-2026-20127, a vulnerability in Cisco Catalyst SD-WAN Controller, formerly vSmart, that allows an unauthenticated remote attacker to bypass authentication and obtain administrative privileges on the affected system by sending a crafted request...

Cisco UCS Manager Software Privilege Escalation Vulnerability

A vulnerability in the NX-OS CLI privilege levels of Cisco UCS Manager Software could allow an authenticated, local attacker with read-only privileges to modify files and perform unauthorized actions on an affected system. This vulnerability exists because unnecessary privileges are given to the...

Cisco FXOS and UCS Manager Software Stored Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco FXOS Software and Cisco UCS Manager Software could allow an authenticated, remote attacker to conduct a stored cross-site scripting XSS attack against a user of the interface. This vulnerability is due to insufficient validation of...

Cisco UCS Manager Software Command Injection Vulnerability

A vulnerability in the CLI and web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker with valid administrative privileges to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to...

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

A vulnerability in the peering authentication in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, and Cisco Catalyst SD-WAN Validator, formerly SD-WAN vBond, could allow an unauthenticated, remote attacker to bypass authentication a...