# CVE-2026-113870: Improper Encoding of Server-Supplied JavaScript Values in MongoDB Compass BSON Parsing

> CVE-2026-113870: Improper Encoding of Server-Supplied JavaScript Values in MongoDB Compass BSON Parsing. CVSS 8.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-113870
Last updated: 2026-10-22T17:36:46Z

- Published: 2026-10-21 18:04 UTC · Updated: 2026-10-22 17:36 UTC · Assigner: mongodb
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 0.24%, 15th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-116

## 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.

## Affected vendors and products

- MongoDB: Compass

## Tracked companies

- [MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-113870)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-113870)
- [https://www.mongodb.com/docs/compass/release-notes/\#mongodb-compass-14915](https://www.mongodb.com/docs/compass/release-notes/#mongodb-compass-14915)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-113870 · Markdown: https://rewindex.com/cve/CVE-2026-113870.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-113870 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:13:30.454Z