Node.js

This hub aggregates every CVE we track for Node.js, a product in the oss libraries space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Node.js.

• CVE-2026-48930A flaw in Node.js TLS hostname handling can cause Embedded-nul hostnames can lead to silent authority rebinding due to c-string truncation in resolver bindings. This vulnerability affects all su...9.8Jun 26, 2026
• CVE-2026-48936A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission. This vulnerability affects one supported release li...3.3Jun 26, 2026
• CVE-2026-48935A flaw in Node.js Permission API can cause a file metadata to be modified even on a path that was set as read-only with e.g. `--allow-fs-read`. This vulnerability affects all supported release l...3.3Jun 26, 2026
• CVE-2026-48934A flaw in Node.js TLS host verification can cause an attacker to bypass certification validation. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **No...4.3Jun 26, 2026
• CVE-2026-48618A flaw in Node.js TLS hostname handling can cause Node.js unicode dot separator handling can lead to tls wildcard-depth authentication bypass due to resolver and verifier hostname normalization mis...6.5Jun 26, 2026
• CVE-2026-48619A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported r...7.5Jun 26, 2026
• CVE-2026-48615A flaw in Node.js proxy tunnel error handling could expose proxy credentials in `ERR_PROXY_TUNNEL` error messages. When proxy credentials are embedded in the proxy URL, they may be exposed throu...7.5Jun 26, 2026
• CVE-2026-48933A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2GiB. This vulnerability affects all supported release lines: **Node.js 22**,...7.5Jun 26, 2026
• CVE-2026-48928A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**,...5.4Jun 26, 2026
• CVE-2026-48931A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node....3.7Jun 22, 2026
• CVE-2026-21715A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce ...3.3Mar 30, 2026
• CVE-2026-21717A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such co...5.9Mar 30, 2026
• CVE-2026-21713A flaw in Node.js HMAC verification uses a non-constant-time comparison when validating user-provided signatures, potentially leaking timing information proportional to the number of matching bytes...5.9Mar 30, 2026
• CVE-2026-21714A memory leak occurs in Node.js HTTP/2 servers when a client sends WINDOW_UPDATE frames on stream 0 (connection-level) that cause the flow control window to exceed the maximum value of 2³¹-1. The...5.3Mar 30, 2026
• CVE-2026-21716An incomplete fix for CVE-2024-36137 leaves `FileHandle.chmod()` and `FileHandle.chown()` in the promises API without the required permission checks, while their callback-based equivalents (`fs.fch...3.3Mar 30, 2026