Severity:

HIGH RISK

(7.7)

SSRF via Redirects (CWE-918) in PhpSpreadsheet WEBSERVICE

CVE-2026-59931

Published:

Jul 28, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal data exfiltration via SSRF

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

Vulnerability Type

Category:

Server-Side Request Forgery (SSRF)

CWE:

CWE-918

Impact:

Internal data exfiltration via SSRF

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

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