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CVE-2026-6914

MD5 checksum creation may cause availability loss

HIGH
7.5
CVSS Score
Published: April 29, 2026 at 04:47 PM UTC
Updated: October 26, 2026 at 08:10 PM UTC
1 product affected across 1 vendorMongoDB

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Severity
HIGH7.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MongoDB· MongoDB
95%
7.0.0 ≤ v < 7.0.328.0.0 ≤ v < 8.0.218.1.0 ≤ v < 8.2.77.0.08.0.08.1.08.2.0
Affected range stops below 7.0.32, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.0.21, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.2.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Issue TrackingPatch
Source: cverecord
https://jira.mongodb.org/browse/SERVER-119981

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-191

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