MongoDB Server up to 7.0.28/8.0.17/8.2.3 Message amplification

Summaryinfo

A vulnerability marked as problematic has been reported in MongoDB Server up to 7.0.28/8.0.17/8.2.3. The impacted element is an unknown function of the component Message Handler. Performing a manipulation results in amplification. This vulnerability was named CVE-2026-25611. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in MongoDB Server up to 7.0.28/8.0.17/8.2.3. It has been classified as problematic. This affects an unknown code of the component Message Handler. The manipulation with an unknown input leads to a amplification vulnerability. CWE is classifying the issue as CWE-405. The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric." This is going to have an impact on availability. The summary by CVE is:

A series of specifically crafted, unauthenticated messages can exhaust available memory and crash a MongoDB server.

It is possible to read the advisory at jira.mongodb.org. This vulnerability is uniquely identified as CVE-2026-25611 since 02/03/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 298779 (Linux Distros Unpatched Vulnerability : CVE-2026-25611), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.0.29, 8.0.18 or 8.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (298779) and CERT Bund (WID-SEC-2026-0386). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Open Source MongoDB

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
• 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
• 8.2.0
• 8.2.1
• 8.2.2
• 8.2.3

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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

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