CVE-2026-41689
Wallos: Shared local webhook allowlist lets low-privilege users send arbitrary requests to allowlisted internal services
CVSS Score
6.0
EPSS Score
0.0%
EPSS Percentile
0th
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 | CWE-863 CWE-918 |
| Vendor | ellite |
| Product | wallos |
| Published | May 7, 2026 |
| Last Updated | May 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
ellite / Wallos
<= 4.8.4