๐Ÿ›ก๏ธ CVE-2026-1181
๐Ÿ”ด CVSS 9.0 โ€” Critical โœ… No Known Exploit CWE-284 NVD
9.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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 access authenticated workspace APIs in the context of a logged-in user. When chained with vulnerabilities in those external applications, this misconfiguration enables unauthorized access to workspace data, administrative actions, and bypass of IP allowlisting controls, including in GovCloud environments.

Details

Severity CRITICAL
CVSS Score 9.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-284
Public Exploit โœ… No
Source NVD
Published 2026-01-19
Updated 2026-06-02
Modified 2026-04-15
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown โ€” โ€”

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