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PhpSpreadsheet has SSRF/RCE in IOFactory::load when $filename is user controlled

🗓️ 29 Apr 2026 20:22:30Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 29 Views

PhpSpreadsheet IOFactory load with user controlled filename enables server side forgery and remote code execution via phar wrappers.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-34084
5 May 202619:22
–attackerkb
bdu_fstec
BDU FSTEC
PhpSpreadsheet SSRF Code Execution
15 Jun 202600:00
–bdu_fstec
circl
Circl
CVE-2026-34084
28 Apr 202623:47
–circl
cnnvd
CNNVD
PhpSpreadsheet code-related vulnerabilities
5 May 202600:00
–cnnvd
cve
CVE
CVE-2026-34084
5 May 202619:22
–cve
cvelist
Cvelist
CVE-2026-34084 PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::load
5 May 202619:22
–cvelist
euvd
EUVD
EUVD-2026-38359
22 Jun 202620:32
–euvd
github
Github Security Blog
PHPSpreadsheet has a patch bypass for CVE-2026-34084
8 Jun 202623:00
–github
mend
Mend
CVE-2026-34084
5 May 202619:22
–mend
nvd
NVD
CVE-2026-34084
5 May 202620:16
–nvd
Rows per page
Vulners
Node
OR
phpofficephpspreadsheetRange≤1.30.2composer
phpofficephpspreadsheetRange2.0.0–2.1.14composer
phpofficephpspreadsheetRange2.2.0–2.4.3composer
phpofficephpspreadsheetRange3.3.0–3.10.3composer
phpofficephpspreadsheetRange4.0.0–5.5.0composer

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