AUTOMATIC1111 stable-diffusion-webui up to 1.10.1 Metadata Extraction modules/sd_models.py read_metadata_from_safetensors header length field allocation of resources

Summaryinfo

A vulnerability classified as problematic has been found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected is the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Metadata Extraction. This manipulation of the argument header length field causes allocation of resources. This vulnerability is handled as CVE-2026-111985. The attack can be initiated remotely. Additionally, an exploit exists. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability classified as problematic was found in AUTOMATIC1111 stable-diffusion-webui up to 1.10.1. Affected by this vulnerability is the function read_metadata_from_safetensors of the file modules/sd_models.py of the component Metadata Extraction. The manipulation of the argument header length field with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-111985. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

It is possible to download the exploit 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.

Statistical analysis made it clear that VulDB provides the best quality 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 #1005484: AUTOMATIC1111 stable-diffusion-webui v1.10.1 Allocation of Resources Without Limits or Throttling (by r1ck99)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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