SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-86289

MEDIUM · CVSS 4.3 EPSS 0.40% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-07 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability in the GGUF Decoder of Ollama versions up to 0.31.1 allows for remote exploitation through an integer overflow in the readGGUFV1String function. This could potentially lead to unauthorized access or manipulation of data. Organizations using affected versions should prioritize upgrading to version 0.31.2-rc1 to mitigate this risk.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗ github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-86289
Severity
MEDIUM
CVSS
4.3
EPSS
0.40%

Original NVD Description

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.