fix(deps): bump fast-xml-parser to 5.5.8 in @azure/core-xml chain#19918
fix(deps): bump fast-xml-parser to 5.5.8 in @azure/core-xml chain#19918
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Partially fixes Dependabot alert #1224. Updates the @azure/core-xml transitive dependency chain to fast-xml-parser 5.5.8 (patched for CVE-2026-33349). AWS SDK and Langchain chains require upstream updates. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Semver Impact of This PR🟢 Patch (bug fixes) 📋 Changelog PreviewThis is how your changes will appear in the changelog. New Features ✨Deps
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node-overhead report 🧳Note: This is a synthetic benchmark with a minimal express app and does not necessarily reflect the real-world performance impact in an application.
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fast-xml-parser 5.5.8 added fast-xml-builder and path-expression-matcher as new dependencies, but the yarn.lock was missing them, causing ERR_MODULE_NOT_FOUND at runtime. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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| dependencies: | ||
| "@socket.io/component-emitter" "~3.1.0" | ||
| debug "~4.3.1" | ||
| debug "~4.4.1" |
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Lockfile inconsistency: unresolved debug@~4.4.1 specifier
Medium Severity
The socket.io-parser@4.2.6 dependency declaration for debug was changed from "~4.3.1" to "~4.4.1", but no lockfile resolution entry includes the debug@~4.4.1 specifier. The existing entries cover debug@~4.3.1, ~4.3.2, ~4.3.4 (→ 4.3.7) and debug@^4.4.1 (caret, → 4.4.3), but not debug@~4.4.1 (tilde). This unresolved specifier can cause yarn install --frozen-lockfile to fail in CI.
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Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
| dependencies: | ||
| "@socket.io/component-emitter" "~3.1.0" | ||
| debug "~4.3.1" | ||
| debug "~4.4.1" |
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Bug: The yarn.lock file incorrectly specifies debug@~4.4.1 for socket.io-parser, but no matching entry exists, which will cause the installation to fail.
Severity: CRITICAL
Suggested Fix
The change to the debug dependency for socket.io-parser appears accidental. Revert the dependency requirement for socket.io-parser back to debug "~4.3.1" in the yarn.lock file to match the correct version and ensure the build passes.
Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent.
Verify if this is a real issue. If it is, propose a fix; if not, explain why it's not
valid.
Location: yarn.lock#L27502
Potential issue: The `yarn.lock` file has been modified to change the `debug` dependency
for `socket.io-parser` to `~4.4.1`. However, the lockfile does not contain a
corresponding entry for `debug@~4.4.1`. The existing `debug@4` entries use caret ranges
(e.g., `^4.4.1`), which Yarn cannot use to resolve the tilde range `~4.4.1`. This
mismatch will cause `yarn install --frozen-lockfile` to fail, breaking any CI/CD
pipeline that relies on it and preventing the application from being built or deployed.
This change appears unrelated to the PR's goal of updating `fast-xml-parser`.
Did we get this right? 👍 / 👎 to inform future reviews.


Partially fixes Dependabot alert #1224. Updates the @azure/core-xml transitive dependency chain to fast-xml-parser 5.5.8 (patched for CVE-2026-33349). AWS SDK and Langchain chains require upstream updates.