CVE Watch19 de out. de 2026

CVE-2026-111053

FOSSBilling is an open source billing and client-management platform. From 0.1.0 until 0.8.7, the unauthenticated api/guest/system/template_

CVSS

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Sem CVSS

EPSS

0.4%

p31

KEV

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Exploit Today

0-100

Publicado: 19 de out. de 2026 · Última mod.: 19 de out. de 2026 · CWE-22 · CWE-200

EPSS · 30d

0.4%EPSS · 30 dias0.4%

2026-10-202026-11-06

Descrição técnica

FOSSBilling is an open source billing and client-management platform. From 0.1.0 until 0.8.7, the unauthenticated api/guest/system/template_exists endpoint permits path traversal because templateExists uses Path::join on the attacker-controlled file parameter without rejecting .. sequences or verifying that the resolved path remains inside the active theme directory. The trigger is an unauthenticated request to guest/system/template_exists containing traversal sequences in the file parameter. An attacker can submit traversal sequences in the file parameter and observe the returned boolean to determine whether arbitrary files or directories exist on the server. The oracle does not disclose file contents. This issue is fixed in version 0.8.7.

Referências oficiais

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