MongoDB Database Tools up to 100.19.x crypto/x509 certificate validation

Summaryinfo

A vulnerability identified as problematic has been detected in MongoDB Database Tools up to 100.19.x. This vulnerability affects unknown code of the file crypto/x509. The manipulation leads to certificate validation. This vulnerability is referenced as CVE-2026-116641. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB Database Tools up to 100.19.x. It has been rated as problematic. This issue affects some unknown functionality of the file crypto/x509. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. The summary by CVE is:

The DB Tools rely on the TLS implementation in Golang’s standard library, which generally uses the system CA store. However, the crypto/x509 package also has its own internal denylist of known-bad CA certificates. Golang 1.27.3 adds the eMudhra certificates to this list. DB Tools version 100.19.0 was compiled with Golang 1.26.8, which does not include this check. The issue is resolved by updating to Golang 1.27.3 in DB Tools 100.20.0

It is possible to read the advisory at mongodb.com. The identification of this vulnerability is CVE-2026-116641 since 10/26/2026. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 100.20.0 eliminates this vulnerability.

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Productinfo

Type

• Database Software

Vendor

• MongoDB

Name

• Database Tools

Version

• 100.0
• 100.1
• 100.2
• 100.3
• 100.4
• 100.5
• 100.6
• 100.7
• 100.8
• 100.9
• 100.10
• 100.11
• 100.12
• 100.13
• 100.14
• 100.15
• 100.16
• 100.17
• 100.18
• 100.19

License

• open-source

CPE 2.3info

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CPE 2.2info

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