CVE-2026-9101
Prototype pollution in csv parsing logic during import can lead to untrusted file paths (but not arguments) entering shell.openExternal after specific user behavior le…
Published May 20, 2026 · corrected/updated Sep 24, 2026 · mongodb compass · evidence confidence medium
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2026-9101 is a medium public vulnerability record for mongodb compass. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether mongodb compass is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: mongodb/compass (1.36.3); mongodb/compass (1.36.4); mongodb/compass (1.37.0); mongodb/compass (1.38.0). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 5.3. It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-1321. Sources contributing to this record: cve_org, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 20, 2026 · NIST NVD
Detected
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.
Sep 24, 2026 · NIST NVD
Updated
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.
Affected
- cpe mongodb/compass1.36.3
- cpe mongodb/compass1.36.4
- cpe mongodb/compass1.37.0
- cpe mongodb/compass1.38.0
- cpe mongodb/compass1.38.1
- cpe mongodb/compass1.38.2
- cpe mongodb/compass1.39.0
- cpe mongodb/compass1.39.1
Sources
- CVE.orgVulnerability recordCVE-2026-9101
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-9101
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.
nvd.nist.gov