How severe is CVE-2026-6914?

CVE-2026-6914 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-2026-6914 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-6914?

CVE-2026-6914 affects Mongodb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-6914?

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

Does CVE-2026-6914 have an EU (EUVD) identifier?

Yes. CVE-2026-6914 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26262.

When was CVE-2026-6914 published?

CVE-2026-6914 was published on 2026-04-29 and last updated on 2026-06-17.

CVE-2026-6914

CVE-2026-6914 is a medium-severity vulnerability in Mongodb 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-191.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26262
Weakness: CWE-191
Affected product: Mongodb
Published: 2026-04-29
Last modified: 2026-06-17

Description

Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32

Frequently asked questions

What is CVE-2026-6914?: Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server. This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32
How severe is CVE-2026-6914?: CVE-2026-6914 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-2026-6914 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-6914?: CVE-2026-6914 affects Mongodb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-6914?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6914 have an EU (EUVD) identifier?: Yes. CVE-2026-6914 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26262.
When was CVE-2026-6914 published?: CVE-2026-6914 was published on 2026-04-29 and last updated on 2026-06-17.

References

https://jira.mongodb.org/browse/SERVER-119981

Affected products (1)

cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:*

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Other CWE-191 (Integer Underflow) vulnerabilities

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CVE-2026-91103 — Critical (CVSS 9.8): HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several…
CVE-2026-51540 — Critical (CVSS 9.8): OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an…
CVE-2026-53176 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than…
CVE-2026-37534 — Critical (CVSS 9.8): Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe (2025-11-30) in…

Browse all CWE-191 (Integer Underflow) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

70.81.127.119 (ipv4-addr)
54.37.10.124 (ipv4-addr)
20.220.173.251 (ipv4-addr)
161.97.123.14 (ipv4-addr)
23.239.4.194 (ipv4-addr)
67.215.227.54 (ipv4-addr)
98.70.52.248 (ipv4-addr)
106.12.70.210 (ipv4-addr)