CVE-2026-123356

GROBID is machine learning software for extracting information from scholarly documents. Prior to 0.9.1, the unauthenticated /api/modelTraining endpoint calls GrobidRestProcessTraining.trainModel in GrobidRestProcessTraining.java, where each request creates Executors.newFixedThreadPool(1), submits a training task, and leaves the executor running. Repeated requests permanently retain JVM worker threads and can exhaust process or operating-system thread capacity, degrading or stopping request processing. This issue is fixed in version 0.9.1.

• CWE-400

• https://github.com/grobidOrg/grobid/commit/3227e9a6a990ec1687173045f119c24e17d10103
• https://github.com/grobidOrg/grobid/pull/1477
• https://github.com/grobidOrg/grobid/releases/tag/0.9.1
• https://github.com/grobidOrg/grobid/security/advisories/GHSA-g2r5-4c8r-c84f

Published

Nov 6, 2026

Last Modified

Nov 6, 2026

Status

Received

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