Improper Authorization in MongoDB Atlas Vector Search Allows Unauthorized Access to Protected View Data
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An issue in MongoDB Server's Atlas Vector Search feature could allow an authenticated user with read access to one view to retrieve documents from a different, protected view over the same underlying collection. This is due to insufficient handling of certain user-supplied fields when constructing an internal request forwarded to the search process.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MongoDB | MongoDB Server | 8.3.0 to before 8.3.8; 8.0 to before 8.0.29; 7.0 to before 7.0.40 | 8.3.8, 8.0.29, 7.0.40 | Patch available | CNA |
- MongoDB Server VendorMongoDB Affected 8.3.0 to before 8.3.8; 8.0 to before 8.0.29; 7.0 to before 7.0.40 Fixed in 8.3.8, 8.0.29, 7.0.40 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:* | 7.0.0 to before 7.0.40; 8.0.0 to before 8.0.29; 8.2.0 – 8.2.12; 8.3.0 to before 8.3.8 | Vulnerable | MongoDB |
| cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:* | 9.0.0 alpha0 | Vulnerable | MongoDB |
| cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:* | 9.0.0 alpha1 | Vulnerable | MongoDB |
| cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:*:*:-:-:*:* | 9.1.0 alpha0 | Vulnerable | MongoDB |
- cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:* Versions 7.0.0 to before 7.0.40; 8.0.0 to before 8.0.29; 8.2.0 – 8.2.12; 8.3.0 to before 8.3.8 Vulnerable ·MongoDB
- cpe:2.3:a:mongodb:mongodb:9.0.0:alpha0:*:*:-:-:*:* Versions 9.0.0 alpha0 Vulnerable ·MongoDB
- cpe:2.3:a:mongodb:mongodb:9.0.0:alpha1:*:*:-:-:*:* Versions 9.0.0 alpha1 Vulnerable ·MongoDB
- cpe:2.3:a:mongodb:mongodb:9.1.0:alpha0:*:*:-:-:*:* Versions 9.1.0 alpha0 Vulnerable ·MongoDB
Remediation
- Fix · CNA MongoDB Server (MongoDB) Fixed in 8.3.8, 8.0.29, 7.0.40
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MongoDB Server 7.0.40, 8.0.29, 8.3.8
17 records Highest priority Priority MEDIUM 2 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2026-15322 Improper Input Validation in MongoDB Aggregation Framework Allows Unauthenticated Denial of Service on mongosPriority MEDIUM 44
- TI-2026-15316 Improper Authentication in MongoDB Intra-Cluster Connections Allows Credential ExposurePriority MEDIUM 41
- TI-2026-15318 Out-of-bounds write in MongoDB ServerPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18705
- 2026-10-03 Alias added: GHSA-f96f-54rq-c385
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-2026-18705 · CVE Program
- CVE-2026-18705 · NVD
- FIRST EPSS
- GHSA-f96f-54rq-c385 · GitHub Advisory Database · CC BY 4.0
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