Chartbrew: SSRF to Internal Network via User-Controlled allowPrivateHost Flag on API Connections

Özet

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Chartbrew is an open-source web application for creating charts from databases and APIs. In versions 4.8.5 through 5.2.2, API connection creation and update operations accept the internal  allowPrivateHost  field from user input. An authenticated user with permission to manage API connections can enable this field to bypass private and reserved-network destination restrictions. An upgrade migration also enables the override on pre-existing API connections. The per-connection setting takes precedence over  CB_ALLOW_PRIVATE_NETWORK_CALLS , so disabling that instance option does not protect connections with the override enabled. Successful exploitation allows requests to internal HTTP services reachable from the Chartbrew server, potentially disclosing information or triggering unauthorized actions depending on the target service. Recognized cloud metadata endpoints remain separately blocked. This issue is fixed in version 5.2.3.

Etkilenen sürümler1 yazılım

Kaynaklar5 kaynak

• CVE.org kaydı
• NVD kaydı
• github.com/…rtbrew/security/advisories/GHSA-4q3v-5r7x-58q2 Diğer
• github.com/…ommit/78f49f4fc2781dc3f33f102b1daeddf22225bce4 Diğer
• github.com/chartbrew/chartbrew/releases/tag/v5.2.3 Diğer

Kayıt geçmişi

1. 7 Kas 2026 00:15Yayımlandı

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