medium6.4
CVE-2026-18709
An issue in MongoDB Server could allow an authenticated user with direct network access to a shard to improperly commit or abort an in-progress prepared transa…
Impact
An issue in MongoDB Server could allow an authenticated user with direct network access to a shard to improperly commit or abort an in-progress prepared transaction, bypassing the intended transaction coordination process. This could result in cross-shard data inconsistency, cluster clock corruption, and violation of transaction atomicity guarantees.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mongodb | Mongodb | from 7.0.0 before 7.0.40 from 8.0.0 before 8.0.29 from 8.2.0 through 8.2.12 from 8.3.0 before 8.3.8 Versions 9.0.0, 9.1.0 |