PULSE
LIVE12signals / 24h
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CVE WatchJul 16, 2026

CVE-2026-31309

Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node from v1.21.1-rc0 before v1.36.0 allows an unauthenticated at

CVSS

9.8

Critical

EPSS

0.4%

p36

KEV

—

Exploit Today

11

0-100

Published: Jul 8, 2026 · Last modified: Jul 16, 2026 · CWE-862

EPSS · 30d
0.3%EPSS · 30 days0.4%
2026-07-092026-07-18
Technical 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.

Official references
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