Server crashes in case of the use of exchange
Priority LOW 31CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-617.
Summary
When using $changestreams and $_requestReshardingResumeToken with the exchange option the server hits an invariant which causes the server to crash. There are no special privileges needed. The user must be logged in to issue the statement.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0027 19th percentileScored 2026-11-07
Fix Fixed MongoDB Server (MongoDB): 8.3.3, 8.2.10, 8.0.24 +1
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 8.3.3; 8.2.0 to before 8.2.10; 8.0.0 to before 8.0.24; 7.0.0 to before 7.0.35 | 8.3.3, 8.2.10, 8.0.24, 7.0.35 | Patch available | CNA |
- MongoDB Server VendorMongoDB Affected 8.3.0 to before 8.3.3; 8.2.0 to before 8.2.10; 8.0.0 to before 8.0.24; 7.0.0 to before 7.0.35 Fixed in 8.3.3, 8.2.10, 8.0.24, 7.0.35 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* | 7.0.0 to before 7.0.35; 8.0.0 to before 8.0.24; 8.2.0 to before 8.2.10; 8.3.0 to before 8.3.3 | Vulnerable | MongoDB |
- cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* Versions 7.0.0 to before 7.0.35; 8.0.0 to before 8.0.24; 8.2.0 to before 8.2.10; 8.3.0 to before 8.3.3 Vulnerable ·MongoDB
Remediation
- Fix · CNA MongoDB Server (MongoDB) Fixed in 8.3.3, 8.2.10, 8.0.24, 7.0.35
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MongoDB Server 7.0.35, 8.0.24 and 2 more versions
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2026-08537 Unbounded recursion in BSONColumn interleaved-reference causes pre-auth stack overflowPriority MEDIUM 44
- TI-2026-08550 Server crash via malformed binary diff passed to $_internalApplyOplogUpdate.Priority LOW 31
- TI-2026-08549 GeometryCollection with strict-winding polygon causes server crash during 2dsphere index key generationPriority LOW 31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9746
- 2026-10-03 Alias added: GHSA-vgv4-555v-w6x3
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-2026-9746 · CVE Program
- CVE-2026-9746 · NVD
- FIRST EPSS
- GHSA-vgv4-555v-w6x3 · GitHub Advisory Database · CC BY 4.0
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