CVE-2026-9100 Vulnerability Analysis & Exploit Details

CVE-2026-9100
Vulnerability Scoring

5.9
/10
Significant Risk

Security assessments indicate that CVE-2026-9100 presents a notable risk, potentially requiring prompt mitigation.

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: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-9100 Details

Status: Analyzed

Last updated: 🕠 24 Sep 2026, 17:30 UTC
Originally published on: 🕔 20 May 2026, 17:16 UTC

Time between publication and last update: 127 days

CVSS Release: version 3

CVSS3 Source

cna@mongodb.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-9100 Vulnerability Summary

CVE-2026-9100: The MongoDB C Driver's legacy GridFS API accepts malformed file metadata from the database without adequate validation. Crafted documents in a GridFS collection may cause any application that reads those files via the legacy API to either crash (via a division-by-zero) or silently leak process memory contents (via an out-of-bounds read).

Assessing the Risk of CVE-2026-9100

Access Complexity Graph

The exploitability of CVE-2026-9100 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-2026-9100

This vulnerability, CVE-2026-9100, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate risks.

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-2026-9100, 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-2026-9100, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-9100 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: None
    CVE-2026-9100 poses no threat to data integrity.
  • Availability: High
    CVE-2026-9100 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-9100 References

External References

CWE Common Weakness Enumeration

CWE-1285

Vulnerable Configurations

  • cpe:2.3:a:mongodb:c_driver:1.10.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.10.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.10.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.10.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.10.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.10.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.10.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.10.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.11.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.11.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.12.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.12.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.13.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.13.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.13.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.13.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.14.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.14.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.14.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.14.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.15.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.15.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.15.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.15.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.15.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.15.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.15.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.15.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.16.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.16.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.16.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.16.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.16.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.16.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.0:-:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.0:-:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.0:rc0:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.0:rc0:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.0:beta:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.0:beta:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.0:beta2:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.0:beta2:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.5:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.5:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.6:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.6:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.17.7:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.17.7:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.18.0:alpha:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.18.0:alpha:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.19.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.19.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.19.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.19.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.19.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.19.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.20.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.20.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.20.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.20.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.21.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.21.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.21.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.21.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.21.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.21.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.22.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.22.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.22.0:beta0:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.22.0:beta0:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.22.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.22.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.22.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.22.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.23.5:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.23.5:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.24.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.24.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.24.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.24.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.24.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.24.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.24.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.24.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.24.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.24.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.25.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.25.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.25.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.25.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.25.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.25.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.25.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.25.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.25.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.25.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.26.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.26.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.26.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.26.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.26.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.26.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.5:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.5:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.27.6:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.27.6:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.28.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.28.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.28.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.28.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.29.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.29.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.29.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.29.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.29.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.29.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.3:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.4:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.4:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.5:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.5:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.6:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.6:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:1.30.7:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:1.30.7:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.0.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.0.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.0.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.0.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.0.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.0.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.1.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.1.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.1.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.1.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.1.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.1.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.2.0:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.2.0:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.2.1:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.2.1:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.2.2:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.2.2:*:*:*:*:mongodb:*:*
  • cpe:2.3:a:mongodb:c_driver:2.2.3:*:*:*:*:mongodb:*:*
    cpe:2.3:a:mongodb:c_driver:2.2.3:*:*:*:*:mongodb:*:*

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