CVE-2026-30842 Wallos: Authenticated Missing Authorization Allows Deletion of Other Users’ Uploaded Avatars

Medium 4.3 Published 7 Mar 2026 Updated 10 Mar 2026

Authenticated users can delete other users' avatar files due to missing ownership verification in the deletion endpoint.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-30842?

CVE-2026-30842 is a medium-severity missing authorization vulnerability in ellite Wallos, published on 7 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, Wallos allows an authenticated user to delete avatar files uploaded by other users. The avatar deletion endpoint does not verify that the requested avatar belongs to the current user. As a result, any authenticated user who knows or can discover another user's uploaded avatar filename can delete that file. This issue has been patched in version 4.6.2.

Weakness: CWE-862

Which versions are affected by CVE-2026-30842?

It affects 1 product.

Products include Wallosapp Wallos.

How do I fix CVE-2026-30842?

No fix has been published for CVE-2026-30842 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-30842 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-30842 exists.

Sources

Also known as GHSA-qw24-3pxr-3j6r.