CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Lifecycle Timeline
4Description
An unauthorized user may leverage a specially crafted aggregation pipeline to access data without proper authorization due to improper handling of the $mergeCursors stage in MongoDB Server. This may lead to access to data without further authorisation. This issue affects MongoDB Server MongoDB Server v8.0 versions prior to 8.0.7, MongoDB Server v7.0 versions prior to 7.0.19 and MongoDB Server v6.0 versions prior to 6.0.22
Analysis
An unauthorized user may leverage a specially crafted aggregation pipeline to access data without proper authorization due to improper handling of the $mergeCursors stage in MongoDB Server. This may lead to access to data without further authorisation. This issue affects MongoDB Server MongoDB Server v8.0 versions prior to 8.0.7, MongoDB Server v7.0 versions prior to 7.0.19 and MongoDB Server v6.0 versions prior to 6.0.22
Technical Context
This vulnerability is classified as Improper Authorization (CWE-285).
Affected Products
Affected products: Mongodb Mongodb
Remediation
Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.
Priority Score
Vendor Status
Ubuntu
Priority: Medium| Release | Status | Version |
|---|---|---|
| jammy | DNE | - |
| noble | DNE | - |
| oracular | DNE | - |
| plucky | DNE | - |
| bionic | deferred | 2026-02-18 |
| focal | deferred | 2026-02-18 |
| trusty | deferred | 2026-02-18 |
| upstream | released | 6.0.22, 7.0.20, 8.0.7 |
| xenial | deferred | 2026-02-18 |
| questing | DNE | - |
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| (unstable) | fixed | (unfixed) | - |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2025-20265