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  • CWE-73

CVE-2026-85736

Chartbrew: Arbitrary file deletion as root via data connection SSL/SSH paths

chartbrew

Yüksek 8,1 CVSS 3.1
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Güncellendi
7 Kas 2026
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0 gün
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Özet

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Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, connection creation or update stored attacker-chosen absolute SSL and SSH file paths, and later connection cleanup passed those stored paths to fs.unlink without a path restriction. The vulnerable surface is data-connection certificate and SSH-key cleanup when a connection is removed. A user with createOwn and deleteOwn permissions on their own team stores a target path in a connection and then deletes the connection to trigger cleanup; default self-signup grants teamOwner these permissions. The cleanup routine treats the stored SSL or SSH path as a managed certificate path and unlinks the referenced file; duplicateConnection provides a second advisory-identified trigger. The attacker must be able to create or update and then delete a connection on their own team. The default container runs Chartbrew as uid 0, while deployments with a less-privileged process are limited by that process's deletion permissions. The attacker can delete files such as /code/.env or application source, causing integrity loss and service disruption. This issue is fixed in version 5.2.3.

Etkilenen sürümler1 yazılım

YazılımEtkilenenDüzeltildiği sürüm
chartbrew < 5.2.3 5.2.3

Kaynaklar5 kaynak

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