Vulnerability Report

CVE-2026-4359

Title: Malformed HTTP response causes crash in MongoDB C driver

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-4359.

CWE Category CWE-158

Published Date Mar 17, 2026

Modified Date Apr 02, 2026

Exploit Status Not Found

Score 2.0 CVSS v4.0

Exploit Probability (EPSS)

0.04%

Vulnerability Summary

CVE-2026-4359: A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver.

Impacted Vendors

mongodb 1

Reference Links

https://jira.mongodb.org/browse/CDRIVER-6251

CVSS v4.0

Source Entity [email protected]

Severity LOW

2.0

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

PASSIVE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

N/A

RAW VECTOR

CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/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

CVSS v3.1

Source Entity [email protected]

Severity LOW

2.0

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:L

CVSS v3.1

Source Entity [email protected]

Severity LOW

3.7

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-4359 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 02, 2026 MODIFIED

Vulnerability data updated via NVD.

April 02, 2026 MODIFIED

Vulnerability data updated via NVD.

March 18, 2026 MODIFIED

Vulnerability data updated via NVD.

March 17, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity HIGH

Privileges N/A

Interaction PASSIVE

CVSS Vector String


                                    CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:N/VI:N/VA:L/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

Affected Stack

No specific products linked.