Description
MongoDB Compass improperly escapes certain BSON values when converting a stored view’s aggregation pipeline into editable source. When a user connects to a MongoDB deployment containing a specially crafted view and opens that view for editing, the values can cause arbitrary code to execute with the privileges of the user running Compass.
Published: 2026-10-21
Score: 8.6 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Wed, 21 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Description MongoDB Compass improperly escapes certain BSON values when converting a stored view’s aggregation pipeline into editable source. When a user connects to a MongoDB deployment containing a specially crafted view and opens that view for editing, the values can cause arbitrary code to execute with the privileges of the user running Compass.
Title Improper Encoding of Server-Supplied JavaScript Values in MongoDB Compass BSON Parsing
Weaknesses CWE-116
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: mongodb

Published:

Updated: 2026-10-21T18:04:30.607Z

Reserved: 2026-10-20T19:20:31.973Z

Link: CVE-2026-113870

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-21T19:17:00.110

Modified: 2026-10-21T19:17:00.110

Link: CVE-2026-113870

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-116

    Improper Encoding or Escaping of Output