CVE-2026-9753
Last modified
CVE-2026-9753 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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 | < 7.0.35 |
| 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-124959Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-9753?
How severe is CVE-2026-9753?
How do I fix CVE-2026-9753?
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-2026-9747Adding 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
- CVE-2026-9754An authenticated user with the read role may read limited am…7.1
- CVE-2026-9756The GenerateBlocks plugin for WordPress is vulnerable to Sto…6.4
- CVE-2026-9757The GEO my WP plugin for WordPress is vulnerable to SQL Inje…7.5
- CVE-2026-9758Improper comparison with the certificates trusted list in S2…7.3
- CVE-2026-9759ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 an…5.5
- CVE-2026-9762IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is …7.8
Are you affected by CVE-2026-9753?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST