CVE-2026-110766 Colanode Server through 0.4.7 Path Traversal via Avatar Download Route
Authenticated attackers can read arbitrary JPEG files from other workspaces via path traversal in the avatar download route.
- 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-2026-110766?
CVE-2026-110766 is a medium-severity path traversal vulnerability in colanode, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Colanode server through 0.4.7 contains a path traversal vulnerability that allows authenticated users to read arbitrary .jpeg files by supplying an encoded traversal sequence in avatarId. Attackers can send percent-encoded ../ sequences to GET /client/v1/avatars/:avatarId to escape the avatars directory and read .jpeg files belonging to other workspaces.
Weakness: CWE-22
Which versions are affected by CVE-2026-110766?
How do I fix CVE-2026-110766?
No fix has been published for CVE-2026-110766 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-110766 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110766 exists.
Sources
Also known as GHSA-wq2v-xq4c-mvch.