azukaar Cosmos-Server 0.22.18 public-devices improper authorization

Summaryinfo

A vulnerability categorized as problematic has been discovered in azukaar Cosmos-Server 0.22.18. This issue affects some unknown processing of the file /cosmos/api/constellation/public-devices. Such manipulation leads to improper authorization. This vulnerability is traded as CVE-2026-49447. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in azukaar Cosmos-Server 0.22.18. Affected by this issue is an unknown functionality of the file /cosmos/api/constellation/public-devices. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality. CVE summarizes:

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. In 0.22.18, `GET /cosmos/api/constellation/public-devices` discloses Constellation device metadata to a requester that supplies any non-empty Authorization header. The handler strips the string Bearer from the header but never validates the resulting token and never uses it in the database query. This vulnerability is fixed in 0.22.19.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-49447 since 05/30/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading to version 0.22.19 eliminates this vulnerability.

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Productinfo

Vendor

• azukaar

Name

• Cosmos-Server

Version

• 0.22.18

Website

• Product: https://github.com/azukaar/Cosmos-Server/

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