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Bump undici from 6.21.3 to 6.29.0 - #2852

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Bumps undici from 6.21.3 to 6.29.0.

Release notes

Sourced from undici's releases.

v6.29.0

What's Changed

Full Changelog: nodejs/undici@v6.28.1...v6.29.0

v6.28.1

⚠️ Security fixes

High severity

  • GHSA-rfgv-xxqx-mfg5: a WebSocket server could select a subprotocol when none was requested, causing an uncaught TypeError that could terminate the process. Undici now rejects the handshake with protocol error 1002. Fixed by 2af0faf8.

Medium severity

  • GHSA-3wwx-pv8p-q78v: a malformed permessage-deflate payload exceeding the configured decompression limit could emit an unhandled zlib error and terminate the process. Undici now destroys the inflater after reaching the limit. Fixed by 07c60d9c.

Low severity

  • GHSA-r53p-7pc4-xj5r: the retry interceptor could concatenate a resumed response with inconsistent framing into downstream output, enabling response splitting or corruption. Undici now validates Content-Range against the original response framing before resuming. Fixed by ce31bc82.

What's Changed

Full Changelog: nodejs/undici@v6.28.0...v6.28.1

v6.28.0

⚠️ Security fixes

  • GHSA-m8rv-5g2x-5cg5: a malicious type property on a duck-typed blob-like HTTP/1.1 request body could inject CRLF sequences into the generated content-type header. Undici now coerces and validates the value before adding it to the request. Fixed by 740a0b7c.
  • GHSA-8xcm-r25x-g524: the retry interceptor could expose a stale Content-Length after resuming a partial response, potentially causing downstream response desynchronization, hangs, or corruption. Undici now rejects partial responses whose Content-Length is inconsistent with Content-Range. Fixed by cba3a52a, with corrected fixtures in 4fd5a0c6.
  • GHSA-v3r7-h72x-cjcm: unsanitized domain and unparsed values passed to setCookie() could inject cookie attributes. Undici now validates cookie domains, paths, and unparsed attributes more strictly. Fixed by af748404.

GHSA-4cwx-7wf7-3272 and GHSA-jr45-8vmc-qm54 affect the cache interceptor in Undici v7 and v8; Undici v6 is not in their affected version ranges.

Full Changelog: nodejs/undici@v6.27.0...v6.28.0

v6.27.0

⚠️ Security Release

This release line addresses 4 security advisories.

Action required: Upgrade to undici 6.27.0 or later.

... (truncated)

Commits
  • e1d0501 Bumped v6.29.0 (#5888)
  • 57ac4de test: synchronize the issue-3356 body timeout (#5834)
  • 6d44174 Backport upgrade diagnostics lifecycle fixes to v6.x (#5833)
  • 2a91fc8 fix(retry): settle exposed body on terminal failure (#5778)
  • ffc8aa0 Bumped v6.28.1 (#5773)
  • 3866a3b perf(h1): drop idle-socket timer floor with a ref'd setImmediate (#5707) (#5770)
  • ce31bc8 fix(retry): validate resumed response framing
  • 2af0faf fix(websocket): reject unrequested subprotocols
  • 07c60d9 fix(websocket): destroy inflater after decompression limit
  • bd90fff perf: reduce EventSourceStream parser allocations (#5032) (#5647)
  • Additional commits viewable in compare view
Maintainer changes

This version was pushed to npm by GitHub Actions, a new releaser for undici since your current version.


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Bumps [undici](https://github.com/nodejs/undici) from 6.21.3 to 6.29.0.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v6.21.3...v6.29.0)

---
updated-dependencies:
- dependency-name: undici
  dependency-version: 6.29.0
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file javascript Pull requests that update javascript code labels Oct 1, 2026
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⚠️ No Changeset found

Latest commit: 9010dd9

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

OpenSSF Scorecard

PackageVersionScoreDetails
npm/undici 6.29.0 🟢 7.5
Details
CheckScoreReason
Dependency-Update-Tool🟢 10update tool detected
Maintained🟢 1030 commit(s) and 12 issue activity found in the last 90 days -- score normalized to 10
Code-Review🟢 10all changesets reviewed
Security-Policy🟢 10security policy file detected
Dangerous-Workflow🟢 10no dangerous workflow patterns detected
Token-Permissions⚠️ 0detected GitHub workflow tokens with excessive permissions
Binary-Artifacts🟢 6binaries present in source code
CII-Best-Practices⚠️ 0no effort to earn an OpenSSF best practices badge detected
Pinned-Dependencies🟢 6dependency not pinned by hash detected -- score normalized to 6
Signed-Releases⚠️ -1no releases found
Vulnerabilities⚠️ 010 existing vulnerabilities detected
Packaging🟢 10packaging workflow detected
License🟢 10license file detected
Fuzzing🟢 10project is fuzzed
Branch-Protection⚠️ -1internal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
SAST🟢 10SAST tool is run on all commits
CI-Tests🟢 1030 out of 30 merged PRs checked by a CI test -- score normalized to 10
Contributors🟢 10project has 58 contributing companies or organizations

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