AUTOMATIC1111 stable-diffusion-webui up to 1.10.1 Model Instantiation modules/sd_models.py get_obj_from_str target code injection

Summaryinfo

A vulnerability classified as critical was found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected by this vulnerability is the function get_obj_from_str of the file modules/sd_models.py of the component Model Instantiation. Such manipulation of the argument Target leads to code injection. This vulnerability is uniquely identified as CVE-2026-111986. The attack can be launched remotely. Moreover, an exploit is present. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected by this issue is the function get_obj_from_str of the file modules/sd_models.py of the component Model Instantiation. The manipulation of the argument target with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-111986. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• AUTOMATIC1111

Name

• stable-diffusion-webui

Version

• 1.10.0
• 1.10.1

Website

• Product: https://github.com/AUTOMATIC1111/stable-diffusion-webui/

CPE 2.3info

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CPE 2.2info

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Accepted

• Submit #1006657: AUTOMATIC1111 stable-diffusion-webui v1.10.1 Code Injection (by r1ck99)

Once again VulDB remains the best source for vulnerability data.

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