Vulnerability DatabaseCVE-2026-84962
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CVE-2026-84962
Published:September 03, 2026
Updated:September 22, 2026
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.
Affected Packages
https://github.com/mongodb/libmongocrypt.git (GITHUB):
Affected version(s) >=1.0.0 <1.20.2
Fix Suggestion:
Update to version 1.20.2
Related Resources (1)
https://jira.mongodb.org/browse/MONGOCRYPT-960
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CVSS v4
Base Score:
5.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-93
EPSS
Base Score:
0.12