CVE-2026-18709
Last modified
CVE-2026-18709 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Mongodb | Mongodb | >= 7.0.0, < 7.0.40 | — |
| Mongodb | Mongodb | >= 8.0.0, < 8.0.29 | — |
| Mongodb | Mongodb | >= 8.2.0, <= 8.2.12 | — |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.8 | — |
| Mongodb | Mongodb | 9.0.0 | Alpha0 |
| Mongodb | Mongodb | 9.1.0 | Alpha0 |
References
- https://jira.mongodb.org/browse/SERVER-130544Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
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