[dependabot]

Bumps undici from 7.30.0 to 7.30.1.

Release notes

Sourced from undici's releases.

v7.30.1

Security fixes

High severity

Denial of service via TLS 1.2 certificate-changing renegotiation

CVE-2026-87018 · GHSA-qrxm-fqhp-jwvm

A malicious or compromised HTTPS server could crash the Node.js process by initiating TLS 1.2 renegotiation and presenting a different, CA-trusted certificate whose hostname did not match the requested host. The resulting socket error reached an assertion in undici's HTTP/1.1 and HTTP/2 connection handling. This release handles post-connect certificate errors without terminating the process.

TLS certificate validation bypass through dropped Agent options

CVE-2026-109383 · GHSA-2m5v-pch6-74hx

Agent used a JSON-based clone for constructor options, which silently removed function-valued TLS options such as checkServerIdentity. Applications relying on custom certificate or public-key verification could therefore accept a certificate that the callback was intended to reject. This release preserves TLS options when creating per-origin dispatchers.

Cache poisoning and cross-user disclosure through cross-origin redirects

CVE-2026-109829 · GHSA-4w7w-5xrc-9h26

When an originless Agent combined redirect and shared-cache interceptors as compose(redirect(), cache()), a response from a cross-origin redirect could be stored under the original URL. This could allow persistent cache poisoning or disclosure of user-specific responses to later callers. This release verifies the response origin before caching and preserves redirect-hop cache-control policy.

Denial of service through excessive Content-Encoding values

CVE-2026-109869 · GHSA-xjj6-f33q-929c

A malicious HTTP server could crash the Node.js process by returning more than five content codings and closing the connection before sending the body. Although fetch() rejected the response, an error from an orphaned internal stream could remain unhandled. This release validates the content-encoding chain before creating the body stream and aborts oversized chains safely.

Medium severity

Denial of service through the decompress interceptor

CVE-2026-87029 · GHSA-55wc-3pg8-jfw6

An exception thrown by a downstream response handler from an asynchronous decompression callback could escape as an uncaught exception. A server could trigger this when decompress was composed with a handler such as dump with a size limit. This release converts downstream handler exceptions into per-request errors.

Subresource Integrity bypass with non-lowercase algorithm tokens

CVE-2026-109841 · GHSA-f72v-6w45-q472

fetch() treated valid mixed-case or uppercase SRI algorithm tokens, such as SHA256, as unknown and could accept a response whose body did not match the configured digest. This release normalizes algorithm tokens before validation and digest selection.

Denial of service through unbounded EventSource parser state

CVE-2026-109924 · GHSA-4qv8-2p9j-2685

A malicious Server-Sent Events endpoint could exhaust process memory by sending many tiny data: fields without completing an event, or by splitting an unfinished line across many chunks. This release bounds retained EventSource parser state, including field counts, buffered chunks, unfinished-line length, and retained field data.

Denial of service through unbounded automatic WebSocket PONG buffering

... (truncated)

Commits

• 7507102 Bumped v7.30.1 (#6022)
• 7d60c7b [v7.x] fix(cookies): backport #5663, #5808 and #5832 (#6019)
• 0227d5d fix: avoid unbounded recursion in Set-Cookie attribute parser (#5757) (#5997)
• 5394462 fix(websocket): bound automatic PONG writes under backpressure
• 2991627 fix(eventsource): bound retained SSE parser state
• 18bc8a1 fix(sri): accept non-lowercase algorithm tokens
• 63cba77 fix(decompress): converge downstream handler throws to per-request errors
• 07ded49 fix(fetch): abort excessive content encoding responses
• b20b82a fix(cache): prevent cross-origin redirect cache confusion
• 04cb74b fix: preserve Agent connection options
• Additional commits viewable in compare view

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2 Skipped Deployments

Project	Deployment	Actions	Updated
hyperdx-oss	Ignored	Preview	Oct 23, 2026 11:07pm UTC
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[changeset-bot]

⚠️ No Changeset found

Latest commit: aeca203

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[github-actions]

🟢 Tier 1 — Trivial

Docs, images, lock files, a dependency bump, or an automated release. No functional code changes detected.

Why this tier:

• Bot author: dependabot[bot]

Review process: Auto-merge once CI passes. No human review required.
SLA: Resolves automatically.

Stats

• Production files changed: 0
• Production lines changed: 0
• Branch: dependabot/npm_and_yarn/undici-7.30.1
• Author: dependabot[bot]

To override this classification, remove the review/tier-1 label and apply a different review/tier-* label. Manual overrides are preserved on subsequent pushes.

[github-actions]

PR Review

✅ No issues found.

[github-actions]

Duplicate code analysis

No new duplicate code introduced by this PR.

---

jscpd compared this branch against origin/main
across app, api and common-utils. Only new clones are listed; the codebase
currently holds 114 in total (1.41%).
Run yarn dupes locally to reproduce, or yarn dupes:all for the full picture.

[github-actions]

Deep Review

✅ No critical issues found.

This PR is a single-line yarn.lock change bumping undici from 7.30.0 to 7.30.1, a security patch release. The review verified the lockfile change is internally consistent and introduces no behavioral risk:

• The new version satisfies the existing undici@npm:^7.29.0 constraint, which is declared transitively by @ai-sdk/provider-utils@5.0.49 (the Vercel AI SDK HTTP layer) — not a direct dependency in any package.json, so no manifest pin needs updating.
• Exactly one undici resolution entry exists in yarn.lock; the version and checksum are updated together and there are no stale or duplicate entries left behind.
• @opentelemetry/instrumentation-undici is a separate package and is untouched.
• 7.30.1 is a patch within the ^7.29.0 range carrying upstream security fixes, making this a security-positive change with no observable runtime behavior change in this repo.

No production code, logic, or test surface is affected, so there is no failure mode for this diff to introduce.

The 4 prior comments were reviewed and are all automated bot output (excluded-author notice, skipped preview deployments, a missing-changeset warning, and a tier-1 triage classification). None are human review feedback requiring verification. The missing-changeset warning is expected for a Dependabot lockfile bump and is not a code finding.

---

Reviewers (3): correctness, security, previous-comments.

Testing gaps: None — a lockfile-only patch bump has no testable behavior change in this repository.

[github-actions]

E2E Test Results

✅ All tests passed • 457 passed • 1 skipped • 1259s

Status	Count
✅ Passed	457
❌ Failed	0
⚠️ Flaky	2
⏭️ Skipped	1

Tests ran across 4 shards in parallel.

View full report →