CVE-2026-13055
Last modified
CVE-2026-13055 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an aggregation pipeline.
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:Y/R:A/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mongodb | Mongodb | >= 7.0.0, < 7.0.39 |
| Mongodb | Mongodb | >= 8.0.0, < 8.0.28 |
| Mongodb | Mongodb | >= 8.2.0, < 8.2.12 |
| Mongodb | Mongodb | >= 8.3.0, < 8.3.7 |
References
- https://jira.mongodb.org/browse/SERVER-123081Vendor Advisory, Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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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.
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