---
title: "CVE-2026-118617: Ultralytics - Insecure Deserialization"
description: "Ultralytics contains an insecure deserialization vulnerability in the load_dataset_cache_file function caused by improper validation of user-supplied data, letting remote attackers execute arbitrary code, exploit requires user interaction."
url: https://panop.io/threat-heartbeat/CVE-2026-118617/
---

# CVE-2026-118617 Ultralytics - Insecure Deserialization

Ultralytics contains an insecure deserialization vulnerability in the load\_dataset\_cache\_file function caused by improper validation of user-supplied data, letting remote attackers execute arbitrary code, exploit requires user interaction.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-118617)

## Details

Type

Insecure Deserialization

Impact

Remote Code Execution

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

28 October 2026

Updated

29 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Update to the latest version of Ultralytics.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-118617](https://nvd.nist.gov/vuln/detail/CVE-2026-118617)
- [https://www.zerodayinitiative.com/advisories/ZDI-26-816/](https://www.zerodayinitiative.com/advisories/ZDI-26-816/)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)