CVE Watch7 jul 2026

CVE-2026-53648

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using

CVSS

—

Sin CVSS

EPSS

0.3%

p18

KEV

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Exploit Today

0-100

Publicado: 7 jul 2026 · Última mod.: 7 jul 2026 · CWE-73 · CWE-668

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-07-072026-07-21

Descripción técnica

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using a deterministic filename-derived path. When an administrator uploads a file for a downloadable product, FOSSBilling stores the file as `md5(<original filename>)` under the uploads directory. Because the stored path depends only on the client-supplied filename, two different downloadable products, or product/order files, uploaded with the same original filename will resolve to the same stored file path. A later upload can overwrite an earlier upload, causing customers or administrators downloading the earlier product to receive the later file instead. Version 0.8.1 patches the issue. Some workarounds are available. Restrict the `servicedownloadable.manage` permission to fully trusted administrators only. As an operational mitigation, ensure downloadable product files use unique filenames before upload. This reduces accidental collisions but does not fully address the underlying issue.

Referencias oficiales

github.comhttps://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-x7p2-xhvc-cfp9

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