CVE-2026-59318
Published:August 21, 2026
Updated:September 24, 2026
In Spring AI's tool calling support, the per-request tool list is advertised to the model as a boundary but is not fully enforced when a tool call is dispatched. Under certain conditions, a tool that was not made available to the current request could be invoked, potentially leading to privilege escalation.
Affected versions:
Spring AI: 2.0.0
Spring AI: 1.1.0 through 1.1.8
Spring AI: 1.0.0 through 1.0.9
Affected Packages
https://github.com/spring-projects/spring-ai.git (GITHUB):
Affected version(s) =v2.0.0 <v2.0.1Fix Suggestion:
Update to version v2.0.1org.springframework.ai:spring-ai-client-chat (JAVA):
Affected version(s) =2.0.0 <2.0.1Fix Suggestion:
Update to version 2.0.1Related Resources (1)
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Contact UsCVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.19