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CVE-2026-34084

🗓️ 05 Jun 2026 19:22:14Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 22 Views

CVE-2026-34084: User-controlled filename in PhpSpreadsheet enables deserialization or SSRF via stream wrappers, risking remote code execution.

Related
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 代码问题漏洞
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
github
Github Security Blog
PhpSpreadsheet has SSRF/RCE in IOFactory::load when $filename is user controlled
29 Apr 202620:22
–github
mend
Mend
CVE-2026-34084
5 May 202619:22
–mend
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05 Jun 2026 19:22Current
8.1High risk
Vulners AI Score8.1
CVSS 3.19.8
CVSS 49.2
EPSS0.00782
SSVC
22