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CVE-2026-59318— DefaultToolCallingManager Global Resolver Fallback Allows Unadvertised Tool Dispatch via Prompt Injection

Quick assessment

Affected
Spring Spring AI
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Spring AI是美国Spring公司的一款人工智能框架。 Spring AI 2.0.0版本、1.1.0版本至1.1.8版本和1.0.0版本至1.0.9版本存在授权问题漏洞，该漏洞源于工具调用支持中每请求工具列表未被完全执行，可能导致权限提升。

CVSS 6.5 · Medium EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
Spring Spring AI 2.0.0 affected
1.1.0≤ 1.1.8 affected
1.0.0≤ 1.0.9 affected
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I. Basic Information for CVE-2026-59318

Vulnerability Information
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Vulnerability Title
DefaultToolCallingManager Global Resolver Fallback Allows Unadvertised Tool Dispatch via Prompt Injection
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Spring AI 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring AI是美国Spring公司的一款人工智能框架。 Spring AI 2.0.0版本、1.1.0版本至1.1.8版本和1.0.0版本至1.0.9版本存在授权问题漏洞，该漏洞源于工具调用支持中每请求工具列表未被完全执行，可能导致权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Spring AI 2.0.0 -

II. Public POCs for CVE-2026-59318

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III. Intelligence Information for CVE-2026-59318

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Vendor Advisories for CVE-2026-59318 (1)

Same Patch Batch · Spring · 2026-08-21 · 5 CVEs total

CVE-2026-59279 7.5 HIGH Unbounded persistent session allocation via repeated initialize requests
CVE-2026-59296 5.9 MEDIUM Micrometer StatsD and Logging meter registries line-protocol and log injection vulnerabili
CVE-2026-59323 5.3 MEDIUM Micrometer Tracing Brave Bridge W3C Baggage propagation DoS vulnerability
CVE-2026-59308 4.2 MEDIUM Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation

IV. Related Vulnerabilities

Same product: Spring AI
Same vendor: Spring
Same weakness: CWE-863

V. Comments for CVE-2026-59318

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