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NPM: PDF.js: Arbitrary JavaScript execution upon opening a malicious PDF

🗓️ 06 Aug 2026 21:12:27Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 12 Views

NPM PDF.js flaw allows arbitrary JavaScript on opening a malicious PDF in pdfjs-dist 5.6.83–6.2.107.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-16633 vulnerabilities
7 Aug 202620:22
cgr
circl
Circl
CVE-2026-16633
7 Aug 202606:00
circl
cve
CVE
CVE-2026-16633
6 Aug 202621:12
cve
github
Github Security Blog
PDF.js: Arbitrary JavaScript execution upon opening a malicious PDF
6 Aug 202621:12
github
github
Github Security Blog
ngx-extended-pdf-viewer bundles a version of pdf.js vulnerable to CVE-2026-16633
6 Aug 202621:13
github
osv
OSV
CGA-9WQP-V2HJ-M5JW
7 Aug 202612:17
osv
osv
OSV
CGA-GVW2-32QW-QMC8
7 Aug 202612:33
osv
osv
OSV
CGA-M9VM-3F66-9QH7
7 Aug 202617:06
osv
osv
OSV
CGA-MCXM-RQ8W-XHJC
7 Aug 202612:17
osv
osv
OSV
CGA-V2FF-8698-2GM4
7 Aug 202612:33
osv
Rows per page
Vulners
Node
npmpdfjs-distRange>= 5.6.83, 6.2.108

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06 Aug 2026 21:12Current
5.7Medium risk
Vulners AI Score5.7
12