How many CVEs have patched WebSocketStream?

1 published CVEs changed WebSocketStream in nodejs/undici, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.

What is the latest CVE that changed WebSocketStream?

CVE-2026-85014 (undici vulnerable to Denial of Service via WebSocketStream unclean close), published 2026-09-04, changed lines 37 to 416 of lib/web/websocket/stream/websocketstream.js.

How does WebSocketStream compare to the rest of nodejs/undici?

nodejs/undici has 32 CVEs with a located fix in total; 1 of them changed WebSocketStream.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Undici
WebSocketStream

WebSocketStream in nodejs/undici: Patched by 1 CVEs

nodejs/undici

Class

WebSocketStream

Name: WebSocketStream in nodejs/undici: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

lib/web/websocket/stream/websocketstream.js

Last patched September 4, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

WebSocketStream in nodejs/undici was changed by 1 published CVE fixes in 2026, in 2 distinct patches that added or removed 18 lines in total.

nodejs/undici has 32 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed WebSocketStream, newest first, with the lines each fix touched.

undici vulnerable to Denial of Service via WebSocketStream unclean close
CVE-2026-85014 · lines 37–416 · +8 −10 in 5 hunks
High · CVSS 7.5
EPSS 0.4%2026-09-04

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Other hotspots in the repository

Functions in nodejs/undici changed by the most CVE fixes.

processHeader3 CVEs · lib/core/request.js canCacheResponse2 CVEs · lib/handler/cache-handler.js writeH12 CVEs · lib/dispatcher/client-h1.js httpRedirectFetch2 CVEs · lib/fetch/index.js shouldRetry2 CVEs · lib/handler/retry-handler.js parseCacheControlHeader2 CVEs · lib/util/cache.js

All patched functions in nodejs/undici

Frequently asked questions

Common questions about CVE fixes to WebSocketStream.

How many CVEs have patched WebSocketStream?: 1 published CVEs changed WebSocketStream in nodejs/undici, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.
What is the latest CVE that changed WebSocketStream?: CVE-2026-85014 (undici vulnerable to Denial of Service via WebSocketStream unclean close), published 2026-09-04, changed lines 37 to 416 of lib/web/websocket/stream/websocketstream.js.
How does WebSocketStream compare to the rest of nodejs/undici?: nodejs/undici has 32 CVEs with a located fix in total; 1 of them changed WebSocketStream.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

lib/web/websocket/stream/websocketstream.js on GitHub (opens in a new tab)
All patched functions in nodejs/undici
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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