AUTOMATIC1111 stable-diffusion-webui up to 1.10.1 Extra-Networks Card Builder modules/sd_models.py read_metadata_from_safetensors __metadata__.sshs_model_hash cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected by this issue is the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Extra-Networks Card Builder. Performing a manipulation of the argument __metadata__.sshs_model_hash results in cross site scripting. This vulnerability was named CVE-2026-111987. The attack may be initiated remotely. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as problematic, was found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. This affects the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Extra-Networks Card Builder. The manipulation of the argument __metadata__.sshs_model_hash with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-111987. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is shared for download 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.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• AUTOMATIC1111

Name

• stable-diffusion-webui

Version

• 1.10.0
• 1.10.1

Website

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

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CPE 2.2info

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Accepted

• Submit #1006710: AUTOMATIC1111 stable-diffusion-webui v1.10.1 Cross Site Scripting (by r1ck99)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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