Medium · published July 23, 2026
An authenticated user with write privileges on a Queryable Encryption-enabled collection may be able to modify internal encryption metadata fields that are intended to be server-controlled, by sending crafted write commands through the mongos router on a sharded cluster. This can result in corruption of encrypted query correctness.
| Product | Versions | Fixed in |
|---|---|---|
| mongodb/mongodb | ≥ 7.0.0, < 7.0.39 | 7.0.39 |
| mongodb/mongodb | ≥ 8.0.0, < 8.0.28 | 8.0.28 |
| mongodb/mongodb | ≥ 8.2.0, < 8.2.12 | 8.2.12 |
| mongodb/mongodb | ≥ 8.3.0, < 8.3.7 | 8.3.7 |