MongoDB libmongocrypt
7 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-114655 | 1.0.0 – < 1.21.1 | KMS request injection via unsanitized key vault and provider values in libmongocrypt | MEDIUM 6.0 | 0.3 % | ||
| CVE-2026-106434 | 1.5.0 – < 1.20.5 | Unrecognized payload acceptance in explicit decryption in MongoDB libmongocrypt | MEDIUM 5.3 | 0.1 % | ||
| CVE-2026-106433 | 1.1.0 – < 1.20.5 | Heap corruption via duplicate masterKey fields in MongoDB libmongocrypt | HIGH 8.7 | 0.3 % | ||
| CVE-2026-106429 | 1.1.0 – < 1.20.5 | Application denial of service via malformed KMS endpoint in MongoDB libmongocrypt | HIGH 7.1 | 0.3 % | ||
| CVE-2026-84962 | < 1.20.2 | Authenticated KMS request forgery via CRLF injection in GCP key identifier strings | MEDIUM 5.7 | 0.2 % | ||
| CVE-2026-84971 | 1.7.0 – < 1.20.4 | Persistent client crash loop via undersized FLE2 insert-update ciphertext in decryption path | HIGH 7.1 | 0.3 % | ||
| CVE-2026-81523 | 1.0.0 – < 1.20.3 | Cross-tenant database retargeting via dot/NUL injection in namespace strings in libmongocrypt | LOW 2.0 | 0.1 % |