CVE-2026-59318 Security Details

CVE ID

CVE-2026-59318

CWE

CWE-863

CVE Description

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

Published

Aug 21, 2026

CVSS Score & Severity

9.8Critical

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

0.254%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/ai/model/tool/DefaultToolCallingManager.executeToolCall(Lorg/springframework/ai/chat/prompt/Prompt;Lorg/springframework/ai/chat/messages/AssistantMessage;Lorg/springframework/ai/chat/model/ToolContext;)Lorg/springframework/ai/model/tool/DefaultToolCallingManager$InternalToolExecutionResult;

JVMVulnerable params: 1

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT