chore(deps): bump undici from 7.10.0 to 8.5.0

[dependabot]

Bumps undici from 7.10.0 to 8.5.0.

Release notes

Sourced from undici's releases.

v8.5.0

⚠️ Security Release

This release line addresses 8 security advisories. Most are fixed in v8.5.0; the SOCKS5 pool-reuse issue was fixed earlier in v8.2.0.

Action required: Upgrade to undici 8.5.0 or later.

npm install undici@^8.5.0

Summary

Advisory	CVE	Severity (CVSS)	Fixed in	Fix commit
GHSA-vxpw-j846-p89q	CVE-2026-12151	High (7.5)	8.5.0	32dbf0b3
GHSA-38rv-x7px-6hhq	CVE-2026-9675	High (7.5)	8.5.0	b4c287b3
GHSA-vmh5-mc38-953g	CVE-2026-9697	High (7.4)	8.5.0	42d49559
GHSA-hm92-r4w5-c3mj	CVE-2026-6734	High (7.5)	8.2.0	a516f870
GHSA-pr7r-676h-xcf6	CVE-2026-9678	Moderate (5.9)	8.5.0	cb105d7c
GHSA-p88m-4jfj-68fv	CVE-2026-9679	Moderate (5.9)	8.5.0	5655ea43
GHSA-g8m3-5g58-fq7m	CVE-2026-11525	Low (3.7)	8.5.0	5655ea43
GHSA-35p6-xmwp-9g52	CVE-2026-6733	Low (3.7)	8.5.0	6ea54ef8

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High severity

WebSocket DoS via fragment count bypass — CVE-2026-12151

GHSA-vxpw-j846-p89q · CWE-400, CWE-770 Fix: 32dbf0b3 websocket: limit the number of fragments in a message (also c5ed7875 handle empty fragments and stream limits)

A malicious WebSocket server can stream a large number of small or empty continuation frames. Undici enforced a limit on cumulative payload size but did not limit the number of fragments per message, leading to unbounded memory growth and denial of service.

• Affected: applications using new WebSocket(...) or WebSocketStream against untrusted endpoints.
• Workaround: none — upgrade is required.

WebSocket DoS via cumulative fragment bypass — CVE-2026-9675

GHSA-38rv-x7px-6hhq · CWE-400, CWE-770 Fix: b4c287b3 fix(websocket): enforce max payload size across fragments

Undici validated the size of individual frames but did not track cumulative size across a fragmented message. An attacker could send many small fragments that each pass per-frame validation but collectively exceed the configured limit, causing memory exhaustion. This is a regression introduced in 8.1.0 (the

... (truncated)

Commits

• a0806e1 Bumped v8.5.0 (#5429)
• 8a0392c test: detect available python command in wpt runner (#5427)
• f4045b9 ci: increase Node.js workflow timeout (#5426)
• 363e44f chore: removed repro-h2-pipelining-default.mjs and lint (#5420)
• c5ed787 websocket: handle empty fragments and stream limits
• e114e77 align EventSource with spec (#5418)
• 6df53c5 fix: preserve h2 queue on out-of-order completion (#5410)
• 32dbf0b websocket: limit the number of fragments in a message
• 0d6ecc5 add bodymixin.textStream() (#5416)
• 42d4955 fix: honor requestTls when proxy is SOCKS5
• 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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[github-actions]

📊 PR Size: size/XL

• Lines changed: 3459
• Additions: +1375
• Deletions: -2084
• Files changed: 3

[github-actions]

You already have 7 pull requests open. Please work on getting existing PRs merged before opening more.

[dependabot]

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