8.6 High

MongoDB Compass improperly escapes certain BSON values when converting a stored view’s aggregation pipeline into editable source.

CVE-2026-113870

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.

Proof-of-concept code is published

Public PoC

Public PoCListed proof-of-concept repositories

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Assessment

CVSS: 8.6 (v4.0)
Severity: High
EPSS: 0.24% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Public PoC
Published: 21 October 2026
Last updated: 30 October 2026
Affected: MONGODB
Assigner: mongodb

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

https://www.mongodb.com/docs/compass/release-notes/#mongodb-compass-14915

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