CVE-2026-84962
Medium
Description
An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.
SeverityMedium
CVSS4.2
Exploit probability—
Product
Mongodb Libmongocrypt
PublishedSep 3, 2026
First seenSep 3, 2026
Weakness typeCWE-93CWE-93
How to fix
Update
- mongodb libmongocrypt1.20.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb libmongocrypt | v < 1.20.2 | 1.20.2 |
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