[dependabot]

Bumps the npm_and_yarn group with 3 updates in the / directory: js-yaml, serialize-javascript and undici.

Updates js-yaml from 3.15.1 to 3.15.2

Changelog

Sourced from js-yaml's changelog.

3.15.2 - 2026-08-26

Changed

• [backport] Hard-limit merge sequence size to 100.

Security

• [backport] Count empty mappings in merge sequences toward maxTotalMergeKeys to limit CPU usage, #797.

Commits

• 5c45bd6 3.15.2 released
• 5a708f9 dist rebuild
• 3485bc0 Backport merge limits from v5.4.1
• f34812f Update .gitignore
• See full diff in compare view

Updates serialize-javascript from 7.1.2 to 7.1.4

Release notes

Sourced from serialize-javascript's releases.

v7.1.4

What's Changed

• Fix methods containing nested functions and arrows by @​Shubham-Padkonde in yahoo/serialize-javascript#231
• docs: add SECURITY.md by @​redonkulus in yahoo/serialize-javascript#237
• release: v7.1.4 by @​redonkulus in yahoo/serialize-javascript#238

Note on method serialization

Concise methods ({ m() {} }), including async, generator and computed-key methods, are now serialized correctly when their bodies contain a nested arrow function or function declaration. Previously these were emitted unchanged, producing invalid output that failed to deserialize (#118). Class expressions continue to be emitted as-is.

Reporting security issues

This repo now has a security policy. Please report vulnerabilities privately through GitHub's private vulnerability reporting rather than public issues.

Full Changelog: yahoo/serialize-javascript@v7.1.3...v7.1.4

v7.1.3

See: GHSA-m5mm-p8h7-m29v

What's Changed

• fix: escape </script at the end of a serialized function body by @​redonkulus in yahoo/serialize-javascript#235
• Fix serialization of Dates with expanded ISO years by @​Shubham-Padkonde in yahoo/serialize-javascript#232
• fix: ignore functions without mutating input objects by @​Shubham-Padkonde in yahoo/serialize-javascript#233
• release: v7.1.3 by @​redonkulus in yahoo/serialize-javascript#236

Note on ignoreFunction

With ignoreFunction: true, function values are now omitted the same way JSON.stringify omits them, without deleting them from the input object. Functions inside arrays are emitted as null (previously this produced Array.prototype.slice.call(...) output).

New Contributors

• @​Shubham-Padkonde made their first contribution in yahoo/serialize-javascript#232

Full Changelog: yahoo/serialize-javascript@v7.1.2...v7.1.3

Commits

• 05c5ceb release: v7.1.4 (#238)
• fdb853d Fix methods containing nested functions and arrows (#231)
• f7dfeae docs: add SECURITY.md pointing to private vulnerability reporting (#237)
• 4d36b82 release: v7.1.3 (#236)
• 45e5397 fix: ignore functions without mutating input objects (#233)
• e978a1b fix: serialize Dates with expanded ISO years (#232)
• 2864b3c fix: escape </script at the end of a serialized function body (#235)
• See full diff in compare view

Updates undici from 8.11.2 to 8.12.3

Release notes

Sourced from undici's releases.

v8.12.3

What's Changed

• ci: use Python 3.14 for the WPT server on macOS by @​mrityunjay-pandey in nodejs/undici#6029
• build(deps-dev): bump neostandard from 0.13.0 to 0.14.0 by @​dependabot[bot] in nodejs/undici#6006
• build(deps-dev): bump eslint from 9.39.4 to 10.12.0 by @​dependabot[bot] in nodejs/undici#5967
• docs: document the options of interceptors.cache() by @​qodelicious in nodejs/undici#6050
• fix(h2): replace a connection that stops responding after a stream timeout by @​mcollina in nodejs/undici#6052
• fix(pool): keep caller async context for queued requests by @​mcollina in nodejs/undici#5982

New Contributors

• @​qodelicious made their first contribution in nodejs/undici#6050

Full Changelog: nodejs/undici@v8.12.2...v8.12.3

v8.12.2

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

... (truncated)

Commits

• ff9cc5e Bumped v8.12.3 (#6053)
• 0bbf614 fix(pool): keep caller async context for queued requests (#5982)
• aa1eef1 fix(h2): replace a connection that stops responding after a stream timeout (#...
• e34b872 docs: document the options of interceptors.cache() (#6050)
• e8f3423 build(deps-dev): bump eslint from 9.39.4 to 10.12.0 (#5967)
• b777e40 build(deps-dev): bump neostandard from 0.13.0 to 0.14.0 (#6006)
• 43700ff ci: use Python 3.14 for the WPT server on macOS (#6029)
• bb6cc0a Bumped v8.12.2 (#6021)
• b217373 fix(websocket): bound automatic PONG writes under backpressure
• 789ef26 fix(eventsource): bound retained SSE parser state
• Additional commits viewable in compare view

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (754114c) to head (4c742a6).

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #56   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            8         8           
  Lines          344       344           
=========================================
  Hits           344       344           

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