Prototype pollution in csv parsing
Summary
| CVE | CVE-2026-9101 |
|---|---|
| State | PUBLISHED |
| Assigner | mongodb |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-20 17:16:32 UTC |
| Updated | 2026-05-20 17:32:35 UTC |
| Description | Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not arguments) entering shell.openExternal after specific user behavior leading to "1-click" command execution. |
Risk And Classification
Primary CVSS: v4.0 5.3 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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
EPSS: 0.000130000 probability, percentile 0.020850000 (date 2026-05-27)
Problem Types: CWE-1321 | CWE-1321 CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 5.3 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
| 3.1 | CNA | CVSS | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
NoneUser Interaction
PassiveConfidentiality
NoneIntegrity
LowAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | MongoDB Inc. | Compass | affected 1.36.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.36.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.37.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.38.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.38.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.38.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.39.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.39.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.39.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.39.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.39.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.40.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.40.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.40.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.40.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.40.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.41.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.42.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.42.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.42.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.42.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.42.5 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.5 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.43.6 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.5 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.6 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.44.7 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.45.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.45.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.45.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.45.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.45.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.5 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.6 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.7 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.8 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.9 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.10 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.46.11 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.47.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.47.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.48.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.48.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.48.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.0 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.1 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.2 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.3 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.4 | Not specified |
| CNA | MongoDB Inc. | Compass | affected 1.49.5 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| jira.mongodb.org/browse/COMPASS-10657 | [email protected] | jira.mongodb.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.