CVE-2026-9495

Versions of the package @koa/router from 14.0.0 and before 15.0.0 are vulnerable to Access Control Bypass due to the middleware being silently dropped from the execution chain when the router prefix contains path parameters. Depending on what the skipped middleware was supposed to protect, an...

CVE-2026-9495

CVE-2026-9495 affects the npm package @koa/router, specifically versions 14.0.0 and earlier than 15.0.0. The issue is an Access Control Bypass caused by middleware being silently dropped from the execution chain when the router prefix contains path parameters. This can enable bypass of authentica...

CVE-2026-9495

Versions of the package @koa/router from 14.0.0 and before 15.0.0 are vulnerable to Access Control Bypass due to the middleware being silently dropped from the execution chain when the router prefix contains path parameters. Depending on what the skipped middleware was supposed to protect, an...

Access Control Bypass

Overview @koa/router is a Affected versions of this package are vulnerable to Access Control Bypass. due to the middleware being silently dropped from the execution chain when the router prefix contains path parameters. Depending on what the skipped middleware was supposed to protect, an attacker...