What’s Vulnerable › Vulnerabilities
CVE-2026-84962: Authenticated KMS request forgery via CRLF injection in GCP key identifier strings
- Severity: medium (CVSS 4.2 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-03 · updated 2026-09-17
- Weakness: CWE-93
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.
Affected products
- MongoDB libmongocrypt: before 1.20.2 — fixed in 1.20.2
How to fix
Upgrade to a fixed version: MongoDB libmongocrypt 1.20.2. Check the vendor advisory for mitigations.
References
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