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CVE-2025-11602

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Date: October 31, 2025

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.

Severity Score

Severity Score

Weakness Type (CWE)

Sensitive Information in Resource Not Removed Before Reuse

CWE-226

Top Fix

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Upgrade Version

Upgrade to version https://github.com/neo4j/neo4j.git - 5.26.15

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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