SecuriTricks - CVE-2026-8201

Description

A use-after-free vulnerability exists in MongoDB's Field-Level Encryption (FLE) query analysis component, affecting client-side uses of mongocryptd and crypt_shared. Triggering this vulnerability requires control over the structure of a client's FLE-related query. This issue impacts MongoDB Server’s mongocryptd component v7.0 versions prior to 7.0.34, v8.0 versions prior to 8.0.23, v8.2 versions prior to 8.2.9 and v8.3 versions prior to 8.3.2.

Product(s) Impacted

Vendor	Product	Versions
Mongodb	Mongodb	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-416

Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

*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	/	/	/	/	/	/	/	/
a	mongodb	mongodb	/	/	/	/	/	/	/	/
a	mongodb	mongodb	/	/	/	/	/	/	/	/
a	mongodb	mongodb	/	/	/	/	/	/	/	/

References

https://jira.mongodb.org/browse/SERVER-122032

CVSS Score

6.1 / 10

CVSS Data - 4.0

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

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:H/SC:L/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: May 13, 2026, 4:17 a.m.
Last Modified: May 13, 2026, 10:50 p.m.

Status : Analyzed

CVE is currently being analyzed by NVD staff, this process results in association of reference link tags, CVSS scores, CWE association, and CPE applicability statements.

More info

Source

[email protected]

CVE-2026-8201