CVE-2026-31309

N/A Unknown
Published: July 08, 2026 Modified: July 08, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/mysteriumnetwork/node/
Source: cve@mitre.org
https://github.com/mysteriumnetwork/node/blob/1.35.5/tequilapi/tequil/routes.go#L26
Source: cve@mitre.org
https://github.com/mysteriumnetwork/node/commit/83051199cd641dd4ed9057b958e5616df1309f19
Source: cve@mitre.org
https://github.com/mysteriumnetwork/node/commit/bc099fcaff59fee9c8a8f8e07ffff5b3c5df2bb9
Source: cve@mitre.org
https://github.com/mysteriumnetwork/node/releases/tag/1.35.5
Source: cve@mitre.org
https://github.com/mysteriumnetwork/node/releases/tag/1.36.0
Source: cve@mitre.org
https://github.com/sch8ill/CVE-2026-31309
Source: cve@mitre.org

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
Exploitation Status
Not in CISA KEV