CVE-2026-84962
Authenticated KMS request forgery via CRLF injection in GCP key identifier strings
CVSS Score
4.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-93 |
| Vendor | mongodb |
| Product | libmongocrypt |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 3, 2026 |
| Last Updated | Sep 3, 2026 |
Stay Ahead of the Next One
Get instant alerts for mongodb libmongocrypt
Be the first to know when new medium vulnerabilities affecting mongodb libmongocrypt are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
MongoDB / libmongocrypt
0 < 1.20.2