CVE-2024-36419: SuiteCRM-Core Host Header Injection in /legacy

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-10 · updated 2026-06-17
Weakness: CWE-601

Description

SuiteCRM is an open-source Customer Relationship Management (CRM) software application. A vulnerability in versions prior to 8.6.1 allows for Host Header Injection when directly accessing the `/legacy` route. Version 8.6.1 contains a patch for the issue.

Affected products

salesagility SuiteCRM: before 8.6.1 — fixed in 8.6.1

How to fix

Upgrade to a fixed version: salesagility SuiteCRM 8.6.1. Check the vendor advisory for mitigations.

References

https://github.com/salesagility/SuiteCRM-Core/security/advisories/GHSA-3323-hjq3-c6vc
https://github.com/salesagility/SuiteCRM-Core/security/advisories/GHSA-3323-hjq3-c6vc

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