CVE-2026-110766

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.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/colanode/colanode
https://github.com/colanode/colanode/blob/d649523637f0f059c936418488165d4a689da27c/apps/server/src/api/client/routes/avatars/avatar-download.ts#L23
https://github.com/colanode/colanode/blob/d649523637f0f059c936418488165d4a689da27c/apps/server/src/lib/storage/fs.ts#L38
https://hackmd.io/@hieuPenguinnn/colanode-avatar-download-path-traversal
https://www.vulncheck.com/advisories/colanode-server-through-0.4.7-path-traversal-via-avatar-download-route

Configurations

No configuration.

History

14 Oct 2026, 19:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-14 19:17

Updated : 2026-10-15 14:47

NVD link : CVE-2026-110766

Mitre link : CVE-2026-110766

CVE.ORG link : CVE-2026-110766

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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