6.5
MEDIUM CVSS 3.1
CVE-2026-59318
DefaultToolCallingManager Global Resolver Fallback Allows Unadvertised Tool Dispatch via Prompt Injection
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

INFO

Published Date :

Aug. 21, 2026, 12:16 p.m.

Last Modified :

Aug. 21, 2026, 12:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-59318 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM dcf2e128-44bd-42ed-91e8-88f912c1401d
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM MITRE-CVE
Solution
Update Spring AI to a version that properly enforces tool list boundaries.
  • Update Spring AI to a fixed version.
  • Verify tool access controls.
  • Review tool invocation logic.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-59318.

URL Resource
https://spring.io/security/cve-2026-59318
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-59318 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-59318 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-59318 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-59318 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 21, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Spring', 'product': 'Spring AI', 'versions': [{'status': 'affected', 'version': '2.0.0', 'versionType': 'custom'}, {'status': 'affected', 'version': '1.1.0', 'versionType': 'custom', 'lessThanOrEqual': '1.1.8'}, {'status': 'affected', 'version': '1.0.0', 'versionType': 'custom', 'lessThanOrEqual': '1.0.9'}], 'defaultStatus': 'unaffected'}]
    Added 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
    Added CVSS V3.1 AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
    Added CWE CWE-863
    Added Reference https://spring.io/security/cve-2026-59318
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.