How many CVEs have patched canCacheResponse?

2 published CVEs changed canCacheResponse in nodejs/undici, in 4 distinct patches totalling 11 changed lines, between 2026 and 2026.

What is the latest CVE that changed canCacheResponse?

CVE-2026-84933 (undici vulnerable to cross-user cookie disclosure via Set-Cookie caching in shared caches), published 2026-09-04, changed lines 534 to 537 of lib/handler/cache-handler.js.

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

nodejs/undici has 32 CVEs with a located fix in total; 2 of them changed canCacheResponse.

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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nodejs/undici

Function

canCacheResponse

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

lib/handler/cache-handler.js

Last patched September 4, 2026

2

CVEs

That changed this function

4

Distinct patches

Backports counted once

11

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

canCacheResponse in nodejs/undici was changed by 2 published CVE fixes in 2026, in 4 distinct patches that added or removed 11 lines in total.

nodejs/undici has 32 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

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

undici vulnerable to cross-user cookie disclosure via Set-Cookie caching in shared caches
CVE-2026-84933 · lines 534–537 · +4 −1
High · CVSS 8.2
EPSS 0.3%2026-09-04
undici vulnerable to caching and replay of unsafe HTTP method responses
CVE-2026-85008 · lines 476–485 · +5 −1
Medium · CVSS 5.3
EPSS 0.1%2026-09-04

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1revalidationResponseDisallowsCachedReuselib/handler/cache-handler.js1 CVEs · 2 patches2026

Other hotspots in the repository

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

processHeader3 CVEs · lib/core/request.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 checkpointResponseEnd1 CVEs · lib/handler/retry-handler.js

All patched functions in nodejs/undici

Frequently asked questions

Common questions about CVE fixes to canCacheResponse.

How many CVEs have patched canCacheResponse?: 2 published CVEs changed canCacheResponse in nodejs/undici, in 4 distinct patches totalling 11 changed lines, between 2026 and 2026.
What is the latest CVE that changed canCacheResponse?: CVE-2026-84933 (undici vulnerable to cross-user cookie disclosure via Set-Cookie caching in shared caches), published 2026-09-04, changed lines 534 to 537 of lib/handler/cache-handler.js.
How does canCacheResponse compare to the rest of nodejs/undici?: nodejs/undici has 32 CVEs with a located fix in total; 2 of them changed canCacheResponse.
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

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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