@clerk/agent-toolkit (>=0.3.1-canary.v20260303211310 <=0.3.16-snapshot.v20260416221307), @clerk/astro (>=3.0.1-canary.v20260303211310 <=3.0.18-snapshot.v20260421194054) +9 more potentially affected by CVE-2026-42349 via @clerk/backend (>=3.0.0 <=3.2.14-snapshot.v20260421194054)

@clerk/backend NPM version =3.0.0, =0.3.1-canary.v20260303211310, =3.0.1-canary.v20260303211310, =2.0.1-canary.v20260303211310, =3.0.1-canary.v20260303211310, =0.0.3-canary.v20260303211310, =7.0.1-canary.v20260303211310, =2.0.1-canary.v20260303211310, =3.0.1-canary.v20260303211310,...

@unhook/cli (>=0.8.0 <=0.15.0) potentially affected by CVE-2026-42349 via @clerk/express (>=1.5.0 <=1.7.63)

@clerk/express NPM version =1.5.0, =0.8.0, =0.15.0 Source cves: CVE-2026-42349 Source advisory: OSV:GHSA-W24R-5266-9C3C...

@maslowai/roster (=3.14.0), drafted (>=1.1.3 <=1.7.20) potentially affected by CVE-2026-42349 via @clerk/express (>=2.0.8 <=2.1.22)

@clerk/express NPM version =2.0.8, =1.1.3, =1.7.20 Source cves: CVE-2026-42349 Source advisory: OSV:GHSA-W24R-5266-9C3C...

CVE-2026-34076

Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the...

CVE-2026-34076 Clerk JavaScript: SSRF in the opt-in clerkFrontendApiProxy feature may leak secret keys to unintended host

Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the...

CVE-2026-34076

Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the...

EUVD-2026-17974

Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the...

CVE-2026-34076 Clerk JavaScript: SSRF in the opt-in clerkFrontendApiProxy feature may leak secret keys to unintended host

Clerk JavaScript is the official JavaScript repository for Clerk authentication. In @clerk/hono from versions 0.1.0 to before 0.1.5, @clerk/express from versions 2.0.0 to before 2.0.7, @clerk/backend from versions 3.0.0 to before 3.2.3, and @clerk/fastify from versions 3.1.0 to before 3.1.5, the...

@clerk/agent-toolkit (>=0.3.1-canary.v20260303211310 <=0.3.16-snapshot.v20260416221307), @clerk/astro (>=3.0.1-canary.v20260303211310 <=3.0.19-canary.v20260422163039) +9 more potentially affected by CVE-2026-34076 via @clerk/backend (>=3.0.0 <=3.2.3-snapshot.v20260327200941)

@clerk/backend NPM version =3.0.0, =0.3.1-canary.v20260303211310, =3.0.1-canary.v20260303211310, =2.0.1-canary.v20260303211310, =3.0.1-canary.v20260303211310, =0.0.3-canary.v20260303211310, =7.0.1-canary.v20260303211310, =2.0.1-canary.v20260303211310, =3.0.1-canary.v20260303211310,...

Clerk: SSRF in the opt-in clerkFrontendApiProxy feature may leak secret keys to unintended host

Summary The clerkFrontendApiProxy function in @clerk/backend is vulnerable to Server-Side Request Forgery SSRF. An unauthenticated attacker can craft a request path that causes the proxy to send the application's Clerk-Secret-Key to an attacker-controlled server. Affected packages Only applicatio...

@async-atharv/ipaship (>=1.2.1 <=1.2.2), @bentwnghk/chat (>=1.85.2 <=1.107.2) +96 more potentially affected by CVE-2025-53548 via @clerk/backend (>=2.0.0 <=2.33.5)

@clerk/backend NPM version =2.0.0, =1.2.1, =1.85.2, =0.0.1, =3.0.3, =0.1.0, =2.8.0-snapshot.v20250514155045, =1.5.0-snapshot.v20250514155045, =2.3.0, =6.20.0-snapshot.v20250514155045, =1.7.0, =1.5.0, =4.8.0, =0.16.0, =1.7.0-snapshot.v20250514155045, =1.0.4, =1.0.7 and more Source cves:...

@unhook/cli (>=0.9.3 <=0.14.2) potentially affected by CVE-2025-53548 via @clerk/express (>=1.6.0 <=1.7.37)

@clerk/express NPM version =1.6.0, =0.9.3, =0.14.2 Source cves: CVE-2025-53548 Source advisory: OSV:GHSA-9MP4-77WG-RWX9...