CVE-2026-59318

DefaultToolCallingManager Global Resolver Fallback Allows Unadvertised Tool Dispatch via Prompt Injection

State: Published
Severity: 6.5 Medium
Published: Aug 21, 2026
Updated: Aug 22, 2026
Reserved: Jul 4, 2026

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N	vmware

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
Spring AISpring	2.0.0Affected 1.1.0 through 1.1.8Affected 1.0.0 through 1.0.9Affected

References

https://spring.io/security/cve-2026-59318

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