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Back to active CVEs
Medium · CVSS 5.2CVE-2026-119675

mongorestore may bypass collection guards through a system.buckets prefixCVE-2026-119675

Answer in brief

CVE-2026-119675 records a Medium severity (CVSS 5.2) vulnerability in mongorestore may bypass collection guards through a system.buckets prefix. The current sources do not mark it as known exploited. The current feed maps MongoDB/Database Tools (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 3, 2026Updated Nov 3, 2026Source checked Nov 3, 2026First seen by HOL Nov 3, 2026Material review Nov 3, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.2
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps MongoDB/Database Tools (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
MongoDB/Database Toolsgeneric>=100.4.0 <100.20.1100.20.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for MongoDB/Database Tools.
  2. 2Review the reported fix. Update MongoDB/Database Tools to 100.20.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 3, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
Upstream source description

MongoDB Database Tools mongorestore inconsistently handles the system.buckets. prefix when validating collection names in an untrusted dump. A specially crafted collection name can bypass special-collection guards and operator namespace filters, causing a restore to create an unauthorized user-chosen database account, including an account with the root role. Exploitation requires an operator to restore unauthorized user-controlled data using credentials with sufficient user-management privileges on the destination deployment. Excluding the admin namespace alone does not prevent this behavior. This issue affects MongoDB Database Tools versions 100.4.0 through versions before 100.20.1.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • mongofiles may disclose GridFS content to standard output through a stored filenameSame mongodb/database tools package
  • mongofiles may write outside the working directory through a symlinkSame mongodb/database tools package
  • mongorestore may restore encoded collection names into an unintended collectionSame mongodb/database tools package

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-706
Source
CVE List V5
Source checked
Nov 3, 2026
References
1 linked source
Open source record