Crash while joining collections with $lookup
Priority LOW 31CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries, which use $lookup and collations. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13 and MongoDB Server v3.6 versions prior to 3.6.15.
Why it matters now
EPSS 0.01249 69th percentileScored 2026-11-07
Fix Partial MongoDB Server (MongoDB Inc.): 3.6.15, 4.0.13, 4.2.1Red Hat: 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MongoDB | MongoDB Server | 3.6 to before 3.6.15; 4.0 to before 4.0.13; 4.2 to before 4.2.1 | 3.6.15, 4.0.13, 4.2.1 | Patch available | CNA |
- MongoDB Server VendorMongoDB Affected 3.6 to before 3.6.15; 4.0 to before 4.0.13; 4.2 to before 4.2.1 Fixed in 3.6.15, 4.0.13, 4.2.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:* | 3.6.0 to before 3.6.15; 4.0.0 to before 4.0.13; 4.2.0 to before 4.2.1 | Vulnerable | MongoDB |
- cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:* Versions 3.6.0 to before 3.6.15; 4.0.0 to before 4.0.13; 4.2.0 to before 4.2.1 Vulnerable ·MongoDB
Remediation
- Fix · CNA MongoDB Server (MongoDB Inc.) Fixed in 3.6.15, 4.0.13, 4.2.1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 10 (Newton) | Affected | No fix planned: Out of support scope |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
Not affected: 2 products
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Update Infrastructure 3 for Cloud Providers
Timeline
- 2026-10-02 Threatist record created from CVE-2019-2393
- 2026-10-03 Alias added: GHSA-q356-m8pw-frv3
References
More Mongodb vulnerabilities
- TI-2025-13542 Zlib compressed protocol header length confusion may allow memory read KEVCVSS 4.0HIGH 8.7
- TI-2013-01669 MongoDB before 2.0.9 and 2.2.x before 2.2.4 does not properly validate requests to the… CVSS 2.0MEDIUM 6.0
- TI-2026-56639 Uncontrolled Resource Consumption in MongoDB Sharded Cluster Router Allows Unauthenticated Denial of Service CVSS 4.0HIGH 8.7
- TI-2026-56628 Reachable assertion in MongoDB Server CVSS 4.0HIGH 8.7
- TI-2026-15322 Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongos CVSS 4.0HIGH 8.7
- TI-2026-08537 Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflow CVSS 4.0HIGH 8.7
Sources
- CVE-2019-2393 · CVE Program
- CVE-2019-2393 · NVD
- FIRST EPSS
- GHSA-q356-m8pw-frv3 · GitHub Advisory Database · CC BY 4.0
- CVE-2019-2393 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences