CVE-2026-18692
Last modified
CVE-2026-18692 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
Description
An issue in MongoDB Server's handling of timeseries bucket lifecycle could allow an authenticated user with write privileges to cause an internal reference to be used after the underlying memory has been freed. Subsequent operations could then result in a server crash or, potentially, execution of unintended code.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| 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-129887Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-18692?
How severe is CVE-2026-18692?
How do I fix CVE-2026-18692?
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-2026-18686A vulnerability was detected in GL.iNet GL-MT3000 up to 4.4.…9.8
- CVE-2026-18687MongoDB Server's handling of a Queryable Encryption maintena…7.1
- CVE-2026-18688An issue in MongoDB Server's aggregation framework could all…7.1
- CVE-2026-1869The User Registration & Membership – Free & Paid Memberships…6.5
- CVE-2026-18690An issue in MongoDB Server could allow an authenticated user…8.1
- CVE-2026-18691An issue in MongoDB Server's intra-cluster connection setup …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-2026-18697An issue in MongoDB Server's aggregation framework could all…7.5
- CVE-2026-18698An issue in MongoDB Server could allow an authenticated user…5.4
Are you affected by CVE-2026-18692?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST