Vulnerability details
CVE-2026-82074
MongoDB Server
Incorrect Authorization in MongoDB Server Aggregation Framework Allows Unauthorized Read Access to Collection Data
CVSS 4.0
7.1High
Official description
MongoDB Server contains an incorrect authorization vulnerability in the aggregation framework. An authenticated user with minimal privileges can craft a specially formatted aggregation request that causes the server's authorization subsystem to evaluate a different operation than what is actually executed, resulting in unauthorized read access to collection data within the target database.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.1High | 4.0 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| 6.5Medium | 3.1 | CVEProject cvelistV5 (CNA) (mongodb) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| MongoDB | MongoDB Server | 7.0.0 ≤ v < 7.0.41 | CVEProject cvelistV5 (CNA) |
| MongoDB | MongoDB Server | 8.0.0 ≤ v < 8.0.30 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-08
- Last updated
- 2026-09-08
- State
- Published
- Assigner (CNA)
- mongodb
Exploit prediction (EPSS)
0.35%
Probability of exploitation in 30 days
29.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-863Incorrect Authorization