MongoDB Server up to 7.0.34/8.0.23/8.2.9/8.3.2 vectorSearch cleartext transmission

Summaryinfo

A vulnerability identified as problematic has been detected in MongoDB Server up to 7.0.34/8.0.23/8.2.9/8.3.2. This issue affects some unknown processing. This manipulation of the argument vectorSearch causes cleartext transmission. The identification of this vulnerability is CVE-2026-9741. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in MongoDB Server up to 7.0.34/8.0.23/8.2.9/8.3.2. Affected by this vulnerability is some unknown functionality. The manipulation of the argument vectorSearch with an unknown input leads to a cleartext transmission vulnerability. The CWE definition for the vulnerability is CWE-319. The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. As an impact it is known to affect confidentiality. The summary by CVE is:

A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryption (CSFLE) results in literal values for encrypted fields within the $vectorSearch stage filter expressions to be sent to the server as plaintext instead of ciphertext.

It is possible to read the advisory at jira.mongodb.org. This vulnerability is known as CVE-2026-9741 since 05/27/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 7.0.35, 8.0.24, 8.2.10 or 8.3.3 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Database Software

Vendor

• MongoDB

Name

• Server

Version

• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.0.10
• 7.0.11
• 7.0.12
• 7.0.13
• 7.0.14
• 7.0.15
• 7.0.16
• 7.0.17
• 7.0.18
• 7.0.19
• 7.0.20
• 7.0.21
• 7.0.22
• 7.0.23
• 7.0.24
• 7.0.25
• 7.0.26
• 7.0.27
• 7.0.28
• 7.0.29
• 7.0.30
• 7.0.31
• 7.0.32
• 7.0.33
• 7.0.34
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3
• 8.0.4
• 8.0.5
• 8.0.6
• 8.0.7
• 8.0.8
• 8.0.9
• 8.0.10
• 8.0.11
• 8.0.12
• 8.0.13
• 8.0.14
• 8.0.15
• 8.0.16
• 8.0.17
• 8.0.18
• 8.0.19
• 8.0.20
• 8.0.21
• 8.0.22
• 8.0.23
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3
• 8.2.4
• 8.2.5
• 8.2.6
• 8.2.7
• 8.2.8
• 8.2.9
• 8.3.0
• 8.3.1
• 8.3.2

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

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