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🚨 [security] Update postcss 8.4.21 → 8.5.25 (minor) - #255

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🚨 [security] Update postcss 8.4.21 → 8.5.25 (minor)#255
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depfu/update/npm/postcss-8.5.25

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@depfu

@depfu depfu Bot commented Aug 3, 2026

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Welcome to Depfu 👋

This is one of the first three pull requests with dependency updates we've sent your way. We tried to start with a few easy patch-level updates. Hopefully your tests will pass and you can merge this pull request without too much risk. This should give you an idea how Depfu works in general.

After you merge your first pull request, we'll send you a few more. We'll never open more than seven PRs at the same time so you're not getting overwhelmed with updates.

Let us know if you have any questions. Thanks so much for giving Depfu a try!



🚨 Your current dependencies have known security vulnerabilities 🚨

This dependency update fixes known security vulnerabilities. Please see the details below and assess their impact carefully. We recommend to merge and deploy this as soon as possible!


Here is everything you need to know about this update. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ postcss (8.4.21 → 8.5.25) · Repo · Changelog

Security Advisories 🚨

🚨 PostCSS: incomplete fix of GHSA-6g55-p6wh-862q — attacker-controlled sourceMappingURL reads arbitrary .map files when `from` is unset

More info than we can show here.

🚨 PostCSS: Path Traversal in Previous Source Map Auto-Loading (sourceMappingURL) leads to Arbitrary .map File Disclosure

More info than we can show here.

🚨 PostCSS: Arbitrary file read and information disclosure via attacker-controlled sourceMappingURL in CSS comments

More info than we can show here.

🚨 PostCSS has XSS via Unescaped </style> in its CSS Stringify Output

More info than we can show here.

🚨 PostCSS line return parsing error

More info than we can show here.
Release Notes

Too many releases to show here. View the full release notes.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

↗️ nanoid (indirect, 3.3.4 → 3.3.17) · Repo · Changelog

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

↗️ picocolors (indirect, 1.0.0 → 1.1.1) · Repo · Changelog

Release Notes

1.1.1

More info than we can show here.

1.1.0

More info than we can show here.

1.0.1

More info than we can show here.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.

↗️ source-map-js (indirect, 1.0.2 → 1.2.1) · Repo · Changelog

Release Notes

1.2.1

More info than we can show here.

1.2.0

More info than we can show here.

1.1.0

More info than we can show here.

1.0.3

More info than we can show here.

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by more commits than we can show here.


Depfu Status

Depfu will automatically keep this PR conflict-free, as long as you don't add any commits to this branch yourself. You can also trigger a rebase manually by commenting with @depfu rebase.

All Depfu comment commands
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@depfu depfu Bot added the depfu label Aug 3, 2026
@changeset-bot

changeset-bot Bot commented Aug 3, 2026

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⚠️ No Changeset found

Latest commit: 6d696dd

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.

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

@mergify

mergify Bot commented Aug 3, 2026

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Tick the box to add this pull request to the merge queue (same as @mergifyio queue).

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@socket-security

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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security
Vulnerability Quality Maintenance License
Updatednpm/​postcss@​8.4.21 ⏵ 8.5.25100 +1100 +2681 -595 +3100

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