CVE-2026-84962: fallo de gravedad media en MongoDB libmongocrypt
Authenticated KMS request forgery via CRLF injection in GCP key identifier strings
Publicada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.7epss 0.2%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Productos afectados
MongoDB · libmongocryptCVEs relacionadas — MongoDB libmongocrypt
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-106429HIGHApplication denial of service via malformed KMS endpoint in MongoDB libmongocryptEPSS 0.3%CVE-2026-114655MEDIUMKMS request injection via unsanitized key vault and provider values in libmongocryptEPSS 0.3%CVE-2026-106433HIGHHeap corruption via duplicate masterKey fields in MongoDB libmongocryptEPSS 0.3%CVE-2026-84971HIGHPersistent client crash loop via undersized FLE2 insert-update ciphertext in decryption pathEPSS 0.3%CVE-2026-106434MEDIUMUnrecognized payload acceptance in explicit decryption in MongoDB libmongocryptEPSS 0.1%CVE-2026-81523LOWCross-tenant database retargeting via dot/NUL injection in namespace strings in libmongocryptEPSS 0.1%