Read the docs
TI-2019-01951 Aliases CVE-2019-2391GHSA-4jwp-vfvf-657p

JS-bson may incorrectly serialise some requests

Priority LOW 26CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.

Summary

Incorrect parsing of certain JSON input may result in js-bson not correctly serializing BSON. This may cause unexpected application behaviour including data disclosure. This issue affects: MongoDB Inc. js-bson library version 1.1.3 and prior to.

Why it matters now

EPSS 0.00766 55th percentileScored 2026-11-07
Fix Fixed bson (npm): 1.1.4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MongoDBjs-bson1.0 – 1.1.3—No fix listedCNA
—bson (npm)before 1.1.41.1.4Patch availableGHSA-4jwp-vfvf-657p
  • js-bson VendorMongoDB Affected 1.0 – 1.1.3 Fixed in — No fix listed CNA
  • bson (npm) Vendor— Affected before 1.1.4 Fixed in 1.1.4 Patch available GHSA-4jwp-vfvf-657p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mongodb:js-bson:*:*:*:*:*:*:*:*before 1.1.4VulnerableMongoDB
  • cpe:2.3:a:mongodb:js-bson:*:*:*:*:*:*:*:* Versions before 1.1.4 Vulnerable ·MongoDB

Remediation

  • Fix · GHSA-4jwp-vfvf-657p bson (npm) Fixed in 1.1.4 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-2391
  2. 2026-10-03 Alias added: GHSA-4jwp-vfvf-657p

References

  • TI-2018-10053 The MongoDB bson JavaScript module (also known as js-bson) versions 0.5.0 to 1.0.x before… CVSS 3.0HIGH 7.5

Sources