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EUVD-2026-192023

2026-10-05T13:27:41.227506+00:00

EUVD-2026-192023

fkie_cve-2023-38493

2026-10-05T13:27:41.227544+00:00

Armeria is a microservice framework Spring supports Matrix variables. When Spring integration is used, Armeria calls Spring controllers via `TomcatService` or `JettyService` with the path that may contain matrix variables. Prior to version 1.24.3, the Armeria decorators might not invoked because of the matrix variables. If an attacker sends a specially crafted request, the request may bypass the authorizer. Version 1.24.3 contains a patch for this issue.

GHSA-wvp2-9ppw-337j — Paths contain matrix variables bypass decorators

2026-10-05T13:27:41.227579+00:00

Affected: Maven: com.linecorp.armeria:armeria

### Impact Spring supports [Matrix variables](https://docs.spring.io/spring-framework/reference/web/webmvc/mvc-controller/ann-methods/matrix-variables.html). When Spring integration is used, Armeria calls Spring controllers via `TomcatService` or `JettyService` with the path that may contain matrix variables. In this situation, the Armeria decorators might not invoked because of the matrix variables. Let's see the following example: ``` // Spring controller @GetMapping("/important/resources") public String important() {...}

// Armeria decorator ServerBuilder sb = ... sb.decoratorUnder("/important/", authService); ``` If an attacker sends a request with `/important;a=b/resources`, the request would bypass the authrorizer

### Patches - https://github.com/line/armeria-ghsa-wvp2-9ppw-337j/commit/9b0ec3e099cc05fbff11d7f1012a1dddb0000d0c

### Workarounds Users can add decorators using regex. `e.g. "regex:^/important.*"`

gsd-2023-38493

2026-10-05T13:27:41.227614+00:00

gsd-2023-38493