Server-side Request Forgery (SSRF) Affecting phpoffice/phpspreadsheet package, versions <1.30.3>=2.0.0, <2.1.15>=2.2.0, <2.4.4>=3.3.0, <3.10.4>=4.0.0, <5.6.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-PHP-PHPOFFICEPHPSPREADSHEET-16347738
- published3 May 2026
- disclosed29 Apr 2026
- creditcalligraf0
Introduced: 29 Apr 2026
NewCVE-2026-34084 (opens in a new tab)How to fix?
Upgrade phpoffice/phpspreadsheet to version 1.30.3, 2.1.15, 2.4.4, 3.10.4, 5.6.0 or higher.
Overview
phpoffice/phpspreadsheet is a Spreadsheet engine that Read, Create and Write Spreadsheet documents in PHP .
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the IOFactory::load process. An attacker can execute arbitrary code or initiate unauthorized network requests by supplying a crafted file path that leverages PHP stream wrappers such as phar://, ftp://, or ssh2.sftp:// to the process.