Security Advisory

CVE-2026-41688

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-07 13:52:00

Last updated 2026-05-07 14:57:10

Assigner GitHub_M

CVSS score 7.7

State PUBLISHED

Description

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the incomplete SSRF fix in Wallos validates webhook URLs via gethostbyname() but passes the original hostname to cURL without CURLOPT_RESOLVE pinning on 10 of 11 outbound HTTP endpoints, leaving a DNS rebinding TOCTOU window. At time of publication, there are no publicly available patches.

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