CVE-2026-18697
Last modified
CVE-2026-18697 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.
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-130110Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-18697?
How severe is CVE-2026-18697?
How do I fix CVE-2026-18697?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-18691An issue in MongoDB Server's intra-cluster connection setup …8.8
- CVE-2026-18692An issue in MongoDB Server's handling of timeseries bucket l…8.8
- CVE-2026-18693An issue in MongoDB Server's handling of timeseries collecti…7.6
- CVE-2026-18694An issue in MongoDB Server's geospatial query processing cou…7.1
- CVE-2026-18695An issue in MongoDB Server's handling of certain query predi…6.5
- CVE-2026-18696An issue in MongoDB Server's applyOps command could allow an…6.5
- CVE-2026-18698An issue in MongoDB Server could allow an authenticated user…5.4
- CVE-2026-18699An issue in MongoDB Server's query planner could allow an au…6.5
- CVE-2026-1870The Thim Kit for Elementor – Pre-built Templates & Widgets f…5.3
- CVE-2026-18700An issue in MongoDB Server's geospatial validation could all…6.5
- CVE-2026-18701An issue in MongoDB Server's query subsystem could allow an …6.5
- CVE-2026-18702An issue in MongoDB Server could allow an authenticated user…6.4
Are you affected by CVE-2026-18697?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST