CVE-2026-1181 Altium 365 Over-Permissive CORS Configuration Allows Credentialed Cross-Origin Workspace Access

Altium 365 workspace endpoints were configured with an overly permissive Cross-Origin Resource Sharing CORS policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. As a result, JavaScript executing on those origins could...

CVE-2026-1181

Altium 365 workspace endpoints were configured with an overly permissive Cross-Origin Resource Sharing CORS policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. As a result, JavaScript executing on those origins could...

CVE-2026-1181

CVE-2026-1181 involves Altium 365 where endpoints were configured with an overly permissive Cross-Origin Resource Sharing (CORS) policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. The root cause is the lax CORS configur...

CVE-2026-1181 Altium 365 Over-Permissive CORS Configuration Allows Credentialed Cross-Origin Workspace Access

Altium 365 workspace endpoints were configured with an overly permissive Cross-Origin Resource Sharing CORS policy that allowed credentialed cross-origin requests from other Altium-controlled subdomains, including forum.live.altium.com. As a result, JavaScript executing on those origins could...

PT-2026-3437

Name of the Vulnerable Software and Affected Versions Altium Forum affected versions not specified Description A stored cross-site scripting XSS issue exists in the Altium Forum because of insufficient server-side input sanitization of forum post content. An authenticated attacker can inject...

Altium Forum security vulnerabilities

Altium Forum is an online community operated by Altium Corporation in the United States. There is a security vulnerability in Altium Forum, which stems from insufficient input cleaning on the server side. This vulnerability may lead to storage-based cross-site scripting attacks...

CVE-2026-1011

A stored cross-site scripting XSS vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST...

CVE-2026-1010

A stored cross-site scripting XSS vulnerability exists in the Altium Workflow Engine due to missing server-side input sanitization in workflow form submission APIs. A regular authenticated user can inject arbitrary JavaScript into workflow data. When an administrator views the affected workflow,...

CVE-2026-1008

A stored cross-site scripting XSS vulnerability exists in the user profile text fields of Altium 365. Insufficient server-side input sanitization allows authenticated users to inject arbitrary HTML and JavaScript payloads using whitespace-based attribute parsing bypass techniques. The injected...

CVE-2026-1011

A stored cross-site scripting XSS vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST...

CVE-2026-1011

A stored cross-site scripting XSS vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST...

Altium 365 security vulnerabilities

Altium 365 is a product design and development platform provided by the American company Altium. There is a security vulnerability in Altium 365, which stems from the lack of server-side input validation in the AddComment endpoint. This vulnerability may lead to storage-based cross-site scripting...

CVE-2026-1010

A stored cross-site scripting XSS vulnerability exists in the Altium Workflow Engine due to missing server-side input sanitization in workflow form submission APIs. A regular authenticated user can inject arbitrary JavaScript into workflow data. When an administrator views the affected workflow,...

CVE-2026-1010

A stored cross-site scripting XSS vulnerability exists in the Altium Workflow Engine due to missing server-side input sanitization in workflow form submission APIs. A regular authenticated user can inject arbitrary JavaScript into workflow data. When an administrator views the affected workflow,...

CVE-2026-1009

A stored cross-site scripting XSS vulnerability exists in the Altium Forum due to missing server-side input sanitization in forum post content. An authenticated attacker can inject arbitrary JavaScript into forum posts, which is stored and executed when other users view the affected post...

CVE-2026-1009

A stored cross-site scripting XSS vulnerability exists in the Altium Forum due to missing server-side input sanitization in forum post content. An authenticated attacker can inject arbitrary JavaScript into forum posts, which is stored and executed when other users view the affected post...

CVE-2026-1008

A stored cross-site scripting XSS vulnerability exists in the user profile text fields of Altium 365. Insufficient server-side input sanitization allows authenticated users to inject arbitrary HTML and JavaScript payloads using whitespace-based attribute parsing bypass techniques. The injected...

CVE-2026-1008

A stored cross-site scripting XSS vulnerability exists in the user profile text fields of Altium 365. Insufficient server-side input sanitization allows authenticated users to inject arbitrary HTML and JavaScript payloads using whitespace-based attribute parsing bypass techniques. The injected...

CVE-2026-1011

CVE-2026-1011 is a stored XSS in the Altium Support Center AddComment endpoint caused by missing server-side input sanitization. The backend accepts and stores arbitrary HTML/JS via modified POST requests, with injected content rendered verbatim when cases are viewed, potentially enabling arbitra...

CVE-2026-1011 Stored Cross-Site Scripting in Altium Live Support Center Comment Endpoint

A stored cross-site scripting XSS vulnerability exists in the Altium Support Center AddComment endpoint due to missing server-side input sanitization. Although the client interface applies HTML escaping, the backend accepts and stores arbitrary HTML and JavaScript supplied via modified POST...