CVE-2026-4359 Vulnerability Analysis & Exploit Details

CVE-2026-4359
Vulnerability Scoring

2.0
/10
Very Low Risk

With a negligible impact on system security, CVE-2026-4359 is unlikely to be exploited and generally requires no immediate action.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-4359 Details

Status: Received on 17 Mar 2026, 20:16 UTC

Published on: 17 Mar 2026, 20:16 UTC

CVSS Release: version 3

CVSS3 Source

cna@mongodb.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-4359 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.

Assessing the Risk of CVE-2026-4359

Access Complexity Graph

The exploitability of CVE-2026-4359 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-4359

The exploitability of CVE-2026-4359 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-4359, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-4359, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-4359 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2026-4359 poses no threat to data integrity.
  • Availability: Low
    CVE-2026-4359 may slightly degrade system performance without fully affecting service availability.

CVE-2026-4359 References

External References

CWE Common Weakness Enumeration

CWE-158

CAPEC Common Attack Pattern Enumeration and Classification

  • Embedding NULL Bytes CAPEC-52 An adversary embeds one or more null bytes in input to the target software. This attack relies on the usage of a null-valued byte as a string terminator in many environments. The goal is for certain components of the target software to stop processing the input when it encounters the null byte(s).
  • Postfix, Null Terminate, and Backslash CAPEC-53 If a string is passed through a filter of some kind, then a terminal NULL may not be valid. Using alternate representation of NULL allows an adversary to embed the NULL mid-string while postfixing the proper data so that the filter is avoided. One example is a filter that looks for a trailing slash character. If a string insertion is possible, but the slash must exist, an alternate encoding of NULL in mid-string may be used.

Protect Your Infrastructure against CVE-2026-4359: Combat Critical CVE Threats

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