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.
Published: 2026-07-08
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 16 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Improper Authorization Enables Full Node Takeover in Mysterium Node

Thu, 16 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 15 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title Improper Authorization Enables Full Node Takeover in Mysterium Node

Tue, 14 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Description Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node before v1.36.0 allows unauthenticated attackers to arbitrarily overwrite the node's configuration and achieve a full node takeover via supplying a crafted POST request. 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.
References

Mon, 13 Jul 2026 21:45:00 +0000

Type Values Removed Values Added
Title Improper Authorization Enables Full Node Takeover

Mon, 13 Jul 2026 02:30:00 +0000

Type Values Removed Values Added
Title Improper Authorization Enables Full Node Takeover

Sun, 12 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Title Improper Authorization Allows Node Configuration Overwrite and Full Takeover

Fri, 10 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
Title Improper Authorization Allows Node Configuration Overwrite and Full Takeover

Fri, 10 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
Title Unauthorized configuration overwrite via /tequilapi/config/user endpoint
Weaknesses CWE-284

Thu, 09 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 09 Jul 2026 04:45:00 +0000

Type Values Removed Values Added
Title Unauthorized configuration overwrite via /tequilapi/config/user endpoint
Weaknesses CWE-284

Wed, 08 Jul 2026 22:15:00 +0000

Type Values Removed Values Added
Description Improper authorization in the /tequilapi/config/user endpoint of Mysterium Node before v1.36.0 allows unauthenticated attackers to arbitrarily overwrite the node's configuration and achieve a full node takeover via supplying a crafted POST request.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-16T12:21:40.263Z

Reserved: 2026-03-09T00:00:00.000Z

Link: CVE-2026-31309

cve-icon Vulnrichment

Updated: 2026-07-09T14:31:10.556Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-16T22:30:06Z

Weaknesses