What is CVE-2025-64186?

CVE-2025-64186 is a high-severity vulnerability in Evervault, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.7/10. Published 2025-11-12.

How severe is CVE-2025-64186?

High severity. CVSS v3 base score is 8.7 out of 10.

Vulnerability in Evervault

CVE-2025-64186

Evervault is a payment security solution. A vulnerability was identified in the `evervault-go` SDK’s attestation verification logic in versions of `evervault-go` prior to 1.3.2 that may allow incomplete documents to pass validation. This m…

EPSS: 0.001 (2.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

Evervault
Evervault Evervault-go — versions < 1.3.2

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-64186?: CVE-2025-64186 is a high-severity vulnerability in Evervault, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.7/10. Published 2025-11-12.
How severe is CVE-2025-64186?: High severity. CVSS v3 base score is 8.7 out of 10.