CVE-2026-20210

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to modify configurations and perform unauthorized actions on an affected system. This vulnerability exists because of a failure to reda...

CVE-2026-20224 Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper...

CVE-2026-20224 Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper...

CVE-2026-20224

CVE-2026-20224 : Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage) web UI contains an XML External Entity (XXE) handling flaw in XML parsing that could allow an unauthenticated, remote attacker to read arbitrary files on the affected system. Attacker must send a crafted request; no valid cr...

EUVD-2026-30327

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive...

CVE-2026-20209

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive...

CVE-2026-20209 Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive...

CVE-2026-20209

Cisco Catalyst SD-WAN Manager (formerly SD-WAN vManage) web UI vulnerability allows an authenticated, read-only user to elevate to a high-privilege role and take actions as a high-privileged user. Root cause: sensitive session information is logged in audit logs. Impact: privilege escalation with...

CVE-2026-20182

Cisco Catalyst SD-WAN Controller (vSmart) and SD-WAN Manager (vManage) are affected by CVE-2026-20182, a critical authentication bypass in the DTLS vdaemon challenge flow. The issue permits a remote, unauthenticated attacker to masquerade as a trusted peer by sending a CHALLENGE_ACK with device t...

CVE-2026-20182

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show...

CVE-2026-20182 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show...

Ongoing exploitation of Cisco Catalyst SD-WAN vulnerabilities

Cisco Talos is tracking the active exploitation of CVE-2026-20182, an authentication bypass vulnerability in Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage. Successful exploitation of CVE-2026-20182 allows an unauthenticated,...

Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability...

CVE-2026-20182: Critical authentication bypass in Cisco Catalyst SD-WAN Controller (FIXED)

Overview While researching a critical authentication bypass vulnerability, CVE-2026-20127, which was exploited in-the-wild, Rapid7 Labs discovered a new authentication bypass vulnerability affecting Cisco Catalyst SD-WAN Controller formerly known as vSmart, CVE-2026-20182. This new authentication...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-20182link is external Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability This type of vulnerability is a frequent attack vector for malicio...

CVE-2026-34963

barebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi/loader/pe.c where integer overflow in virtual image size computation using 32-bit arithmetic on section VirtualAddress and size values allows undersized heap allocation, and PE section...

PT-2026-40959

Name of the Vulnerable Software and Affected Versions Cisco Catalyst SD-WAN Controller affected versions not specified Cisco Catalyst SD-WAN Manager affected versions not specified Cisco Catalyst SD-WAN Validator affected versions not specified Description A flaw in the peering authentication...

CVE-2026-20224: Improper Input Validation

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper...

CVE-2026-20209: Logging of Excessive Data

A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an authenticated, remote attacker with read-only permissions to elevate their privileges from low to high and perform actions as a high-privileged user. This vulnerability exists because sensitive...

CVE-2026-20182: Improper Authentication

May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and fixed after the was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The section of this advisory includes Show...