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CVE-2026-31309criticalCWE-862

CVE-2026-31309

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.8epss 0.4%
from disclosure to weapon0 days
Published on NVDJul 8
1st PoCApr 10
exploitation probability
0.4%top 64% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
n/a · n/a
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.