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Vulnerabilities

Vulnerability · CVE-2025-14911

User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

Published Jan 27, 2026 · catalog updated Feb 26, 2026 · MONGODB Mongo-c-driver

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-14911. EPSS is 0.33%. Act only if a listed version of MONGODB Mongo-c-driver is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Version ranges on file
Affected products
vendor MONGODB Mongo-c-driver 0 <2.1.3

User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor MONGODB Mongo-c-driver 0 <2.1.30 <2.1.3

How to fix CVE-2025-14911

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-14911. EPSS is 0.33%. Act only if a listed version of MONGODB Mongo-c-driver is installed.

Which versions are affected?

Compare what you have installed with MONGODB Mongo-c-driver 0 <2.1.3 0 <2.1.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

MongoDB security

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.

  1. Jan 27, 2026 · EUVD

    Detected

    User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

  2. Feb 26, 2026 · EUVD

    Updated

    User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

Sources

  • CVE.orgVulnerability recordCVE-2025-14911

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-14911

    30-day exploitation probability 0.33%

    first.org
  • EUVDVulnerability recordEUVD-2025-206387

    User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026