CVE-2026-41689

Wallos is an open-source, self-hostable personal subscription tracker. In versions 4.8.4 and prior, the webhook notification feature reuses an administrator-configured local-target allowlist for every logged-in user. Any normal user can fully control a webhook URL, headers, and body, then use Wallos to send server-side requests to allowlisted internal automation services. When such a target exposes deployment or execution APIs, this can further enable adjacent-service RCE, but that downstream result is conditional on the target service. At time of publication, there are no publicly available patches.

• CWE-863
• CWE-918

• https://github.com/ellite/Wallos/security/advisories/GHSA-jx6w-832g-42wv
• https://github.com/ellite/Wallos/security/advisories/GHSA-jx6w-832g-42wv

Published

May 7, 2026

Last Modified

Jun 17, 2026

Status

Deferred

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