CVE-2026-84962

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.

Score

CVSS 4.0 5.7 Medium

Status

Analyzed - cna@mongodb.com

Published

2026-09-03

Last modified

2026-09-03

Weaknesses

CWE-93

Affected products

• Libmongocrypt (Mongodb)

References

• https://jira.mongodb.org/browse/MONGOCRYPT-960