SOURCE-LINKED INTELLIGENCE

CVE-2026-86289: A vulnerability was found in Ollama up to 0.31.1. This issue affects the function readGGUFV1String of the file fs/ggml/gguf.go of the component GGUF Decoder. Performing a manipulation results in integer overflow. The att

NIST National Vulnerability Database · observation · Sep 7, 2026 · UTC

A vulnerability was found in Ollama up to 0.31.1. This issue affects the function readGGUFV1String of the file fs/ggml/gguf.go of the component GGUF Decoder. Performing a manipulation results in integer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used. Upgrading to version 0.31.2-rc1 is capable of addressing this issue. The patch is named 67b6a1c2d45321e0cb3c04a18073f9818de7724b. It is recommended to upgrade the affected component.

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recordType: vulnerability
status: active
evidenceStatus: reported
region: Global

Evidence & attribution

NIST National Vulnerability Database · 2026-09-07T00:00:00.000Z

First collected: 2026-09-19T20:26:46.936Z. This is not the publication date.