(0Day) Ultralytics load_dataset_cache_file Deserialization of Untrusted Data Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ultralytics. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the load_dataset_cache_file function. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current user.
Additional Details
06/18/26 – ZDI submitted the report to the vendor’s GitHub account
06/20/26 – ZDI asked for updates
10/19/26 – ZDI asked for updates
10/22/26 – ZDI notified the vendor of the intention to publish the case as a 0-day advisory
-- Mitigation: Given the nature of the vulnerability, the only salient mitigation strategy is to restrict interaction with the product
Disclosure Timeline
- 2026-06-18 - Vulnerability reported to vendor
- 2026-10-28 - Coordinated public release of advisory
- 2026-10-28 - Advisory Updated
Credit
Bongeun Koo (@kiddo_pwn)