CVE-2026-111985: AUTOMATIC1111 stable-diffusion-webui Metadata Extraction sd_models.py read_metadata_from_safetensors allocation of resources
A vulnerability was found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. This impacts the function readmetadatafromsafetensors of the file modules/sdmodels.py of the component Metadata Extraction. The manipulation of the argument header length field results in allocation of resources. It is possible to launch the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected Software
Event History
Frequently Asked Questions
What must an attacker provide to trigger the issue?
The attacker needs to manipulate the header length field in a safetensors file processed by the metadata extraction functionality. The attack vector is network-based and requires user interaction, while no privileges are required.
What is the likely impact on an affected instance?
The reported effect is resource allocation caused by the crafted header length field, which can affect availability. The supplied scoring data indicates no reported confidentiality or integrity impact.
Which versions should be treated as affected?
AUTOMATIC1111 stable-diffusion-webui versions up to and including 1.10.1 are reported as affected. No fixed version is provided in the available information.
Is there evidence that exploitation is feasible?
Yes. A public exploit is reported to exist, and the exploit maturity is rated as proof-of-concept.