CVE-2026-59318 DefaultToolCallingManager Global Resolver Fallback Allows Unadvertised Tool Dispatch via Prompt Injection
Attackers can invoke unauthorized tools via prompt injection in Spring AI, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-59318?
CVE-2026-59318 is a medium-severity missing authorization vulnerability in Spring AI, published on 21 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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
Weakness: CWE-863
Which versions are affected by CVE-2026-59318?
It affects 1 product.
Products include Vmware Spring Ai.
How do I fix CVE-2026-59318?
No fix has been published for CVE-2026-59318 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-59318 being exploited?
There is no known exploitation of CVE-2026-59318 in the wild and no public exploit code.
Other vulnerabilities in Spring AI
- CVE-2026-22738 SpEL Injection via Unescaped Filter Key in SimpleVectorStore Leads to Remote Code Execution
- CVE-2026-40978 Spring AI has SQL Injection in CosmosDBVectorStore.doDelete()
- CVE-2026-22730 CVE-2026-22730: SQL Injection in Spring AI MariaDBFilterExpressionConverter
- CVE-2026-47835 Spring AI vector store metadata filtering to handle special characters in Elasticsearch, OpenSearch, and GemFire Vector Stores
- CVE-2026-41705 Spring AI's MilvusVectorStore#doDelete(List) implementation is vulnerable to filter-expression injection via unsanitized document IDs
Sources
Also known as GHSA-wmqr-wxf2-6449.