CVE-2026-50134 Hugo: security.http.urls allow-list bypass via HTTP redirects

Hugo is a static site generator. From 0.91.0 until 0.162.0, resources.GetRemote enforces security.http.urls on the URL it is called with, but it did not re-validate intermediate URLs on HTTP 3xx redirects. An allowed server or an attacker controlling its DNS or response could therefore redirect t...

CVE-2026-13676

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize and equal still return...

Microsoft Edge - Sandbox Escape

Content process - Privileged content process firststage.js When spawning a new Edge content process, its privilege is determined by its URL. This URL check is performed by the LCIEUrlPolicy::GetPICForPrivilegedInternalPage method in eModel.dll. The method calls several another methods to check...

Insecure Cross-Domain Policy (allow-access-from)

The browser security model normally prevents web content from one domain from accessing data from another domain. This is commonly known as the "same origin policy". URL policy files grant cross-domain permissions for reading data. They permit operations that are not permitted by default. The URL...

Insecure Cross-Domain Policy (allow-http-request-headers-from)

The browser security model normally prevents web content from one domain from accessing data from another domain. This is commonly known as the "same origin policy". URL policy files grant cross-domain permissions for reading data. They permit operations that are not permitted by default. The URL...