CVE-2026-59279

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59318

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...

CVE-2026-59308

In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts. Affected versions: Spring AI: 2.0.0...

EUVD-2026-63933

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...

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

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...

CVE-2026-59318

Spring AI's tool calling support contains a boundary enforcement flaw: 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,...

EUVD-2026-63932

In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts. Affected versions: Spring AI: 2.0.0...

CVE-2026-59308

Spring AI 2.0.0 contains a vulnerability in its Semantic Cache support. The context hash mechanism, intended to isolate cached responses between different system prompts, is insufficient and could allow cached responses to be shared across unrelated contexts . This results in low confidentiality ...

CVE-2026-59308 Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation

In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts. Affected versions: Spring AI: 2.0.0...

CVE-2026-59279 Unbounded persistent session allocation via repeated initialize requests

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59279

Spring AI 2.0.0 is affected by a Denial of Service vulnerability in the MCP Streamable HTTP server transport (both WebFlux and WebMvc variants). The transport does not impose any limit on the number of sessions it retains and, by default, does not require client authentication. A remote unauthent...

EUVD-2026-63931

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

cve-2026-47851 - HIGH - Unbounded recursion over attacker-controlled PDF outline tree in Spring AI PDF Document Reader

cve-2026-47851 - HIGH - Unbounded recursion over attacker-controlled PDF outline tree in Spring AI PDF Document Reader...

cve-2026-47852 - HIGH - Predictable cache directory location allows local ONNX model substitution in Spring AI

cve-2026-47852 - HIGH - Predictable cache directory location allows local ONNX model substitution in Spring AI...

This Week in Spring - August 11th, 2026

Hi, Spring fans! Welcome back to another lively edition of This Week in Spring! So much is always happening in the Spring world, and that’s part of what makes it so fun to follow. One of my favorite things is how much the community contributes and how great it is to connect with everyone. In earl...

This Week in Spring - July 21st, 2026

Welcome to another installment of This Week in Spring! I'm writing this while enjoying a cup of coffee from the Caribbean on a little PTO. How're you doin'? Whenever I go on PTO, I like to sit by some body of water with a coffee and a laptop nearby. I alternate between plunges in the ocean and...

Spring Office Hours Podcast: S5E18 - The Latest from OpenAI, Anthropic and Spring AI 2.0

Join Dan Vega and DaShaun Carter for the latest updates from the Spring Ecosystem. In this episode, Dan and DaShaun catch up on the fast moving world of AI and what it means for Java developers. The guys will cover recent releases from OpenAI and Anthropic, then dig into Spring AI 2.0, which is n...

This Week in Spring - July 7th, 2026

This Week in Spring - July 7th, 2026 Hi, Spring fans! Welcome to another installment of This Week in Spring! We've got a lot to cover and I've got a plane to catch so let's go! What's that over on Spring Initializr? It's JobRunr, that's what! My favorite distributed job execution engine has...

Improperly Controlled Modification of Dynamically-Determined Object Attributes

Overview Affected versions of this package are vulnerable to Improperly Controlled Modification of Dynamically-Determined Object Attributes in the filter process. An attacker can bypass intended security restrictions by supplying specially crafted argument headers that are not properly validated...

This Week in Spring - June 23rd, 2026

Hi Spring fans! In this installment, we look at the wide and wonderful world of Spring, as usual, and there's a good amount to get to, fresh off the recent Spring Boot 4.1 generation release train, so let's dive right into it! I wrote a blog post looking at Spring Batch, MongoDB, and Spring Boot...