CVE-2026-42274 Heimdall: Authorization bypass via path normalization mismatch

Heimdall is a cloud native Identity Aware Proxy and Access Control Decision service. Prior to version 0.17.14, Heimdall performs rule matching on the raw non-normalized request path, while downstream components may normalize dot-segments according to RFC 3986, Section 6.2.2.3. This discrepancy ca...

CVE-2026-33494 Ory Oathkeeper has a path traversal authorization bypass

ORY Oathkeeper is an Identity & Access Proxy IAP and Access Control Decision API that authorizes HTTP requests based on sets of Access Rules. Versions prior to 26.2.0 are vulnerable to an authorization bypass via HTTP path traversal. An attacker can craft a URL containing path traversal sequences...

istio/envoy: Path traversal via URL Patch manipulation in HTTP/1.x header

A flaw was found in Envoy version 1.9.0 and older, where Envoy does not normalize HTTP URL paths. This flaw allows a remote attacker to craft a path with a relative path and to bypass access control. This issue results in a backend server with the ability to interpret the unnormalized path...