MongoDB up to 1.30.12/2.5.5 C Driver calculation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.6$0-$5k2.22-

Summaryinfo

A vulnerability was found in MongoDB up to 1.30.12/2.5.5 and classified as problematic. This affects an unknown part of the component C Driver. Such manipulation leads to calculation. This vulnerability is listed as CVE-2026-106438. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB up to 1.30.12/2.5.5. It has been rated as problematic. Affected by this issue is an unknown code of the component C Driver. The manipulation with an unknown input leads to a calculation vulnerability. Using CWE to declare the problem leads to CWE-682. The product performs a calculation that generates incorrect or unintended results that are later used in security-critical decisions or resource management. Impacted is integrity. CVE summarizes:

An incorrect calculation in Decimal128 string parsing in the MongoDB C Driver can accept certain over-precision inputs containing leading zeros instead of rejecting them. This produces a value different from the supplied text. An actor who can provide a decimal string to an embedding application, including through Extended JSON parsing, can cause the application to store or use an incorrect numeric value.

The advisory is available at jira.mongodb.org. This vulnerability is handled as CVE-2026-106438 since 10/06/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 1.30.13 or 2.5.6 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.0
CNA Vector (mongodb): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Calculation
CWE: CWE-682
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MongoDB 1.30.13/2.5.6

Timelineinfo

10/06/2026 CVE reserved
10/08/2026 +2 days Advisory disclosed
10/08/2026 +0 days VulDB entry created
10/08/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: jira.mongodb.org
Status: Confirmed

CVE: CVE-2026-106438 (🔒)
GCVE (CVE): GCVE-0-2026-106438
GCVE (VulDB): GCVE-100-415538

Entryinfo

Created: 10/08/2026 21:08
Changes: 10/08/2026 21:08 (75)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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