Nodejs: Security Vulnerabilities
A 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 lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
3.3
EPSS Score
0.002
Published
2026-06-26
A 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 line: **Node.js 26**.
CVSS Score
3.3
EPSS Score
0.002
Published
2026-06-26
A 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 through error handling paths and captured by logs, diagnostics, or other error consumers.
This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
5.9
EPSS Score
0.004
Published
2026-06-26
A 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 mismat.
This can lead to confidentiality impact or bypass of the intended security boundary under affected configurations.
This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
7.7
EPSS Score
0.007
Published
2026-06-26
A 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 release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
5.3
EPSS Score
0.007
Published
2026-06-26
A 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**, and **Node.js 26**.
CVSS Score
4.2
EPSS Score
0.003
Published
2026-06-26
A 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 supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
5.6
EPSS Score
0.004
Published
2026-06-26
A 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 **Node.js 26**.
CVSS Score
4.3
EPSS Score
0.003
Published
2026-06-26
A 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**, **Node.js 24**, and **Node.js 26**.
CVSS Score
7.5
EPSS Score
0.025
Published
2026-06-26
A 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.js 22**, **Node.js 24**, and **Node.js 26**.
CVSS Score
3.7
EPSS Score
0.004
Published
2026-06-22
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