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

Analyzing a PDF with a deeply nested or cyclic table of contents can cause a StackOverflowError in the ingestion thread. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.0 - 1.0.9...

PT-2026-82350

A local attacker on a multi-user host can pre-create the deterministic cache path and plant a malicious ONNX model file. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.0 - 1.0.9...

PT-2026-82349

Analyzing a PDF with a deeply nested or cyclic table of contents can cause a StackOverflowError in the ingestion thread. Spring AI 2.0.0 Spring AI 1.1.0 - 1.1.8 Spring AI 1.0.0 - 1.0.9...

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,...

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...

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-2026-59279 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...

Improper Neutralization of Special Elements in Data Query Logic

Overview Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Data Query Logic in the findByMetadata function. An attacker can access data from other conversations by injecting RediSearch syntax into user-controlled metadata fields. Remediation Upgrad...

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 28th, 2026

Hi Spring fans! Welcome to another installment of This Week in Spring! The title says in Spring , but here in the northern hemisphere, it's clearly the middle of summer. Hot! I'm sitting here on my laptop on a warm summer day, and my laptop is indeed hot because I've spent so much time outside...