CVE-2026-9746
Last modified
CVE-2026-9746 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mongodb | Mongodb | >= 7.0.0, < 7.0.35 |
| Mongodb | Mongodb | >= 8.0.0, < 8.0.24 |
| Mongodb | Mongodb | >= 8.2.0, < 8.2.10 |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.3 |
References
- https://jira.mongodb.org/browse/SERVER-124190Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-9746?
How severe is CVE-2026-9746?
How do I fix CVE-2026-9746?
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-2026-9738The Print, PDF, Email by PrintFriendly plugin for WordPress …4.4
- CVE-2026-9739Vulnerable to DNS rebinding attacks when using SSE (http://b…9.4
- CVE-2026-9740A vulnerability in MongoDB Server's BSON validation logic al…8.7
- CVE-2026-9741A bug in query analysis processing of the $vectorSearch aggr…7.1
- CVE-2026-9742When OIDC authentication is enabled in configuration, client…5.9
- CVE-2026-9743In MongoDB Server 8.0, an aggregation stage can leave its _s…7.1
- CVE-2026-9747Adding fromRouter:true and runtimeConstants.userRoles could …7.1
- CVE-2026-9748The $_internalConvertBucketIndexStats stage used PauseExecut…7.1
- CVE-2026-9749This issue can occur when running an aggregation pipeline th…7.1
- CVE-2026-9750An authenticated user can cause a MongoDB server to crash or…7.1
- CVE-2026-9751The ldapQueryPassword parameter, when set through the runtim…6.8
- CVE-2026-9752An authorized user could trigger a server crash by running a…7.1
Are you affected by CVE-2026-9746?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST