Intel/AIKIDO-2026-871761
Microsoft.Identity.Web
AIKIDO-2026-871761
Microsoft.Identity.Web is vulnerable to Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) Pre-CVE Published Jul 6, 2026
Found by Aikido Intel before public disclosure or CVE publication.
43
Medium Risk
This Affects:
Microsoft.Identity.Web4.6.0 - 4.8.0
Fixed in 4.9.0Are you affected? Scan for Free
TL;DR
The Blazor-generated POST /logout endpoint now requires authentication and enforces antiforgery protection (removing the prior antiforgery opt-out), mitigating CSRF/logout-forgery risks.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
Microsoft.Identity.Web is vulnerable to Cross-Site Request Forgery (CSRF) in versions 4.6.0 - 4.8.0.
How to fix this
Upgrade the Microsoft.Identity.Web library to the patch version.
Are You Affected?
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