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MongoDB Compass < 1.49.6 Prototype Pollution

🗓️ 18 Jun 2026 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 3 Views

MongoDB Compass before 1.49.6 has prototype pollution in comma separated values parsing that enables command execution.

Related
Refs
Code
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9101
20 May 202616:18
attackerkb
CNNVD
MongoDB Compass 安全漏洞
20 May 202600:00
cnnvd
CVE
CVE-2026-9101
20 May 202616:18
cve
Cvelist
CVE-2026-9101 Prototype pollution in csv parsing
20 May 202616:18
cvelist
EUVD
EUVD-2026-31127
20 May 202616:18
euvd
MongoDB
Prototype pollution in csv parsing
20 May 202616:18
mongodb
NVD
CVE-2026-9101
20 May 202617:16
nvd
Positive Technologies
PT-2026-42201
20 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-9101
23 May 202608:12
redhatcve
Vulnrichment
CVE-2026-9101 Prototype pollution in csv parsing
20 May 202616:18
vulnrichment
Rows per page
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(321524);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2026/06/18");

  script_cve_id("CVE-2026-9101");
  script_xref(name:"IAVA", value:"2026-B-0159");

  script_name(english:"MongoDB Compass < 1.49.6 Prototype Pollution");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"The version of MongoDB Compass installed on the remote host is prior to 1.49.6. It is, therefore, affected by a
vulnerability:

  - 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.
    (CVE-2026-9101)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://jira.mongodb.org/browse/COMPASS-10657");
  script_set_attribute(attribute:"solution", value:
"Upgrade to MongoDB Compass version 1.49.6 or later.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2026-9101");

  script_set_attribute(attribute:"vuln_publication_date", value:"2026/05/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2026/05/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2026/06/18");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mongodb:compass");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2026 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mongodb_compass_win_installed.nbin", "macos_mongodb_compass_installed.nbin");
  script_require_keys("installed_sw/MongoDB Compass");

  exit(0);
}

include('vdf.inc');

# @tvdl-content
var vuln_data = {
  'metadata': {'spec_version': '1.0'},
  'requires': [
    {'scope': 'target', 'match_one': {'os': ['windows', 'macos']}}
  ],
  'checks': [
    {
      'product': {'name': 'MongoDB Compass', 'type': 'app'},
      'check_algorithm': 'default',
      'constraints': [
        { 'fixed_version' : '1.49.6' }
      ]
    }
  ]
};

var result = vdf::check_and_report(vuln_data:vuln_data, severity:SECURITY_WARNING);
vdf::handle_check_and_report_errors(vdf_result:result);

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18 Jun 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
CVSS 45.3
EPSS0.004
SSVC
3