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VulnerabilityPublished Updated

CVE-2025-10491: MongoDB Server · Improper Access Control

Affects MongoDB ServerSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 15 Sep 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 ServerAffected
  • =6.0
  • =7.0
  • =8.0
Fixed in–

AI-suggested

Organizations should immediately upgrade affected MongoDB Server versions to 6.0.25, 7.0.21, or 8.0.5 or later, where the issue is fixed. Until patching is possible, administrators must verify and enforce strict ACLs on all MongoDB installation directories, especially custom paths, to prevent unauthorized write access. Use Windows security tools to audit directory permissions and remove write privileges from non-administrative users. Additionally, restrict local access to MongoDB servers to trusted personnel only, minimizing the risk of local attacker presence. Employ application whitelisting and endpoint protection solutions to detect and block unauthorized DLL loading. Regularly monitor MongoDB logs and system event logs for suspicious activity indicative of DLL hijacking attempts. Finally, review and harden overall Windows host security posture to reduce the likelihood of local privilege escalation and lateral movement.

Description

The MongoDB Windows installation MSI may leave ACLs unset on custom installation directories allowing a local attacker to introduce executable code to MongoDB's process via DLL hijacking. This issue affects MongoDB Server v6.0 version prior to 6.0.25, MongoDB Server v7.0 version prior to 7.0.21 and MongoDB Server v8.0 version prior to 8.0.5

References

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