CVE-2026-84962 — Authenticated KMS request forgery via CRLF injection in GCP key identifier strings

CVE-2026-84962

Authenticated KMS request forgery via CRLF injection in GCP key identifier strings PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
MongoDB / libmongocrypt	affected 0 before 1.20.2

CWE

CWE-93

References

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

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.