How severe is CVE-2025-14911?

CVE-2025-14911 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-14911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-14911?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-14911 have an EU (EUVD) identifier?

Yes. CVE-2025-14911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206387.

When was CVE-2025-14911 published?

CVE-2025-14911 was published on 2026-01-27 and last updated on 2026-06-17.

CVE-2025-14911

CVE-2025-14911 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206387
Weakness: CWE-120
Published: 2026-01-27
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-14911?: User-controlled chunkSize metadata from MongoDB lacks appropriate validation allowing malformed GridFS metadata to overflow the bounding container.
How severe is CVE-2025-14911?: CVE-2025-14911 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-14911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-14911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-14911 have an EU (EUVD) identifier?: Yes. CVE-2025-14911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206387.
When was CVE-2025-14911 published?: CVE-2025-14911 was published on 2026-01-27 and last updated on 2026-06-17.

References

https://jira.mongodb.org/browse/CDRIVER-6125

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