Prototype pollution in csv parsing (MongoDB, Inc. Compass)

CVE-2026-9101
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.41 % Β· percentile 36 ()
State
PUBLISHED
Published
Updated
Assigner
mongodb
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-1321 β€” Improperly Controlled Modification of Object Prototype Attributes

References

Scores

VersionScoreVectorScored by
CVSS 4.0MEDIUM 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:Nmongodb
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:Nmongodb
CVSS 4.0MEDIUM 5.3CVSS: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:XNVD Β· cna@mongodb.com (Secondary)
CVSS 3.1MEDIUM 4.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NNVD Β· cna@mongodb.com (Secondary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
MongoDB, Inc. Β· Compassaffected 1.36.3 ; affected 1.36.4 ; affected 1.37.0 ; affected 1.38.0 ; affected 1.38.1 ; affected 1.38.2

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD