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VulnerabilityPublished Updated

CVE-2025-11535: MongoDB Connector for BI · Incorrect Default Permissions

Affects MongoDB Connector for BISource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
MongoDB Inc MongoDB Connector for BIAffected
  • =2.0.0
Fixed in–

AI-suggested

To mitigate CVE-2025-11535, organizations should immediately upgrade MongoDB Connector for BI to a patched version once available from MongoDB Inc. Until patches are released, administrators should manually verify and correct ACLs on custom installation directories to restrict permissions to only necessary system accounts and trusted administrators. Implement strict access controls and monitoring on Windows systems hosting the connector, including auditing file and directory permission changes. Limit local user privileges and avoid granting unnecessary write permissions to installation directories. Employ endpoint detection and response (EDR) tools to detect suspicious privilege escalation attempts. Additionally, consider isolating BI connector hosts from general user environments to reduce exposure. Regularly review and harden Windows security policies and ensure that MSI installations follow best practices for secure directory permissions. Finally, maintain up-to-date backups and incident response plans to quickly recover from potential exploitation.

Description

MongoDB Connector for BI installation via MSI on Windows leaves ACLs unset on custom install directories allows Privilege Escalation.This issue affects MongoDB Connector for BI: from 2.0.0 through 2.14.24.

References

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