AIKIDO-2026-204618
spring-ai-pdf-document-reader is vulnerable to Denial of Service (DoS)
75
High Risk
This Affects:
spring-ai-pdf-document-readerTL;DR
spring-ai-pdf-document-reader recursively walks a PDF outline tree during ingestion. A PDF with a deeply nested or cyclic table of contents can cause a StackOverflowError on the ingestion thread. That stops document processing and can take down the worker. The patch bounds outline traversal so crafted PDFs no longer crash the reader.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and you ingest PDFs with spring-ai-pdf-document-reader.
Background info
spring-ai-pdf-document-reader is vulnerable to Denial of Service (DoS) in versions 1.0.0 - 2.0.0.
How to fix this
Upgrade the org.springframework.ai:spring-ai-pdf-document-reader library to the patch version.
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