CVE-2026-31309 | THREATINT

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.

PUBLISHED Reserved 2026-03-09 | Published 2026-07-08 | Updated 2026-07-08 | Assigner mitre

References

github.com/mysteriumnetwork/node/

github.com/...rk/node/blob/1.35.5/tequilapi/tequil/routes.go

github.com/...ommit/83051199cd641dd4ed9057b958e5616df1309f19

github.com/...ommit/bc099fcaff59fee9c8a8f8e07ffff5b3c5df2bb9

github.com/mysteriumnetwork/node/releases/tag/1.35.5

github.com/mysteriumnetwork/node/releases/tag/1.36.0

github.com/sch8ill/CVE-2026-31309

cve.org (CVE-2026-31309)

nvd.nist.gov (CVE-2026-31309)

Download JSON