CVE-2025-11602

Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-10-31

Last updated on: 2025-11-04

Assigner: Neo4j

Description

Potential information leak in bolt protocol handshake in Neo4j Enterprise and Community editions allows attacker to obtain one byte of information from previous connections. The attacker has no control over the information leaked in server responses.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-10-31

Last Modified

2025-11-04

Generated

2026-07-06

AI Q&A

2025-10-31

EPSS Evaluated

2026-07-05

NVD

CVE-2025-11602

EUVD

EUVD-2025-37324

Affected Vendors & Products

Vendor	Product	Version / Range
neo4j	neo4j	5.26.14
neo4j	neo4j	2025.10.0
neo4j	neo4j	2025.1.0
neo4j	neo4j	5.26.0
neo4j	neo4j	2025.10.1
neo4j	neo4j	5.26.15

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-226	The product releases a resource such as memory or a file so that it can be made available for reuse, but it does not clear or "zeroize" the information contained in the resource before the product performs a critical state transition or makes the resource available for reuse by other entities.

Attack-Flow Graph

Executive Summary

CVE-2025-11602 is a vulnerability in Neo4j Community and Enterprise editions where during the Bolt protocol handshake, an attacker can potentially obtain one byte of information from previous connections. The attacker does not have control over what specific information is leaked in the server responses. [1]

Impact Analysis

This vulnerability can lead to a minor information leak, allowing an attacker to gain a small amount of data (one byte) from previous connections. Although the attacker cannot control the leaked information, this could potentially aid in further attacks or reconnaissance against the system. [1]

Mitigation Strategies

To mitigate this vulnerability, you should upgrade Neo4j Community and Enterprise editions to versions 5.26.15 or 2025.10.1 or later, as these versions contain the fix for the information leak during the Bolt protocol handshake. [1]

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