SecuriTricks - CVE-2026-6914

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

Product(s) Impacted

Vendor	Product	Versions
Mongodb	Mongodb Server	8.2, 8.1, <8.0.21, <7.0.32

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-191

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mongodb	mongodb_server	8.2	/	/	/	/	/	/	/
a	mongodb	mongodb_server	8.1	/	/	/	/	/	/	/
a	mongodb	mongodb_server	<8.0.21	/	/	/	/	/	/	/
a	mongodb	mongodb_server	<7.0.32	/	/	/	/	/	/	/

References

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

CVSS Score

7.1 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: April 29, 2026, 5:16 p.m.
Last Modified: April 29, 2026, 5:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-6914