GO-2026-6441 Bypass of xDS RBAC HTTP filter header matching in google.golang.org/grpc

In google.golang.org/grpc, the xDS RBAC HTTP filter does not lowercase header matcher names before evaluating them against incoming request metadata. When an RBAC policy defines rules such as DENY referencing headers with uppercase or mixed-case characters, the rule fails to match, causing...

GHSA-6MHR-74X2-98V9 NocoDB: Stored Cross-Site Scripting via Secure Attachment

Summary With NCSECUREATTACHMENTS=true, an authenticated uploader could deliver .html or .svg attachments that the browser rendered inline from the NocoDB origin instead of forcing a download. Details The signed attachment handler stored response-header overrides under PascalCase keys...

CVE-2026-27588

Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, Caddy's HTTP host request matcher is documented as case-insensitive, but when configured with a large host list 100 entries it becomes case-sensitive due to an optimized matching path. An attacker can bypass...

PT-2023-20156

Name of the Vulnerable Software and Affected Versions DataHub affected versions not specified Description The issue concerns the Metadata service GMS in DataHub, where the X-DataHub-Actor HTTP header is used to infer the user on whose behalf the frontend is sending a request. The header's name is...