Severity:

CRITICAL RISK

(9.8)

Input Validation and Path Normalization Error

CVE-2026-27590

Analyzed

Vulnerability Type

Category:

Input Validation and Path Normalization Error

CWE:

CWE-20;CWE-180

Impact:

Remote Code Execution via Path Confusion in FastCGI/PHP Setups

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

[FAQ]

Frequently Asked
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