CVE-2026-106434 — Unrecognized payload acceptance in explicit decryption in MongoDB libmongocrypt
The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encrypted payload unchanged instead of returning a decryption error. An actor who can modif…
Published: 2026-10-08 · CVSS: 5.3 · CVSS 4.0
The explicit decryption component of MongoDB libmongocrypt can return an unrecognized encrypted payload unchanged instead of returning a decryption error. An actor who can modify stored encrypted fields, such as a database writer, server, or network intermediary, can cause an affected application to process the supplied bytes as decrypted plaintext.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7