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fix: upgrade postcss to 8.5.18 (GHSA-r28c-9q8g-f849) - #237

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Him-an-shi:mainfrom
anupamme:fix-repo-aarini-ghsa-r28c-9q8g-f849-postcss
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fix: upgrade postcss to 8.5.18 (GHSA-r28c-9q8g-f849)#237
anupamme wants to merge 1 commit into
Him-an-shi:mainfrom
anupamme:fix-repo-aarini-ghsa-r28c-9q8g-f849-postcss

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@anupamme

@anupamme anupamme commented Aug 4, 2026

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Summary

Upgrade postcss from 8.5.15 to 8.5.18 to fix GHSA-r28c-9q8g-f849.

Vulnerability

Field Value
ID GHSA-r28c-9q8g-f849
Severity HIGH
Scanner trivy
Rule GHSA-r28c-9q8g-f849
File frontend/package-lock.json (dependency: postcss)
Assessment Present in dependency tree, not confirmed reachable

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

Changes

  • frontend/package.json
  • frontend/package-lock.json

Behavior Preservation

The change is scoped to 2 files on the vulnerable path; it only tightens handling of untrusted input and leaves valid inputs unaffected.


This patch removes an exploit primitive — a code pattern that, while not independently exploitable today, could be chained with other weaknesses by automated exploit-development tooling. Proactive removal of such primitives raises the bar against increasingly capable automated attack tools.


Automated security fix by OrbisAI Security

Automated dependency upgrade by OrbisAI Security

Signed-off-by: anupamme <mediratta@gmail.com>
@vercel

vercel Bot commented Aug 4, 2026

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@anupamme is attempting to deploy a commit to the himanshipathak-240263-3015's projects Team on Vercel.

A member of the Team first needs to authorize it.

@Him-an-shi Him-an-shi closed this Aug 19, 2026
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2 participants