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CVE-2026-31309

CRITICAL CVSS: 9.8 Published: 2026-07-08 Modified: 2026-07-16

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.

Affected Platforms

Unknown

Weakness Type

CWE-862

References