Incorrect Authorization

Overview @clerk/nextjs is a Clerk SDK for NextJS Affected versions of this package are vulnerable to Incorrect Authorization through the createProtect and createCheckAuthorization functions. An attacker can gain access to protected pages or handlers by supplying a single auth.protect or has call...

PT-2026-36820

Name of the Vulnerable Software and Affected Versions @clerk/clerk-js versions prior to 5.125.10 @clerk/clerk-js versions prior to 6.7.5 @clerk/shared affected versions not specified @clerk/nextjs affected versions not specified @clerk/backend affected versions not specified Description...

CVE-2026-41248

The CVE-2026-41248 affects Clerk JavaScript repositories: createRouteMatcher in @clerk/nextjs, @clerk/nuxt, and @clerk/astro can be bypassed by crafted requests, bypassing middleware gating and reaching downstream handlers. Affected fixes are: @clerk/astro 1.5.7, 2.17.10, 3.0.15; @clerk/nextjs 5....

Incorrect Authorization

Overview @clerk/nextjs is a Clerk SDK for NextJS Affected versions of this package are vulnerable to Incorrect Authorization via the createPathMatcher function in @clerk/shared used by downstream createRouteMatcher. An attacker can gain unauthorized access to protected routes by crafting requests...

GHSA-Q6W5-JG5Q-47VG @clerk/nextjs auth() and getAuth() methods vulnerable to insecure direct object reference (IDOR)

Impact Unauthorized access or privilege escalation due to a logic flaw in auth in the App Router or getAuth in the Pages Router. Affected Versions All applications that that use @clerk/nextjs versions in the range of = 4.7.0, 4.29.3 in a Next.js backend to authenticate API Routes, App Router, or...

@clerk/nextjs auth() and getAuth() methods vulnerable to insecure direct object reference (IDOR)

Impact Unauthorized access or privilege escalation due to a logic flaw in auth in the App Router or getAuth in the Pages Router. Affected Versions All applications that that use @clerk/nextjs versions in the range of = 4.7.0, 4.29.3 in a Next.js backend to authenticate API Routes, App Router, or...