CVE-2026-31309

Published: Jul 8, 2026Modified: Jul 16, 2026Deferred

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node from v1.21.1-rc0 before v1.36.0 allows an unauthenticated attacker to arbitrarily overwrite the node's configuration and achieve a full node takeover via a crafted POST request.

Related CWEs

CWE-862

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (4)

https://github.com/mysteriumnetwork/node/

Source: cve@mitre.org

https://github.com/mysteriumnetwork/node/commit/bc099fcaff59fee9c8a8f8e07ffff5b3c5df2bb9

Source: cve@mitre.org

https://github.com/sch8ill/CVE-2026-31309

Source: cve@mitre.org

https://github.com/sch8ill/CVE-2026-31309

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.