CVE-2026-111987
AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 18, 2026
- Updated
- Oct 19, 2026
- Reserved
- Oct 17, 2026
Description
A vulnerability was identified 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 Extra-Networks Card Builder. Such manipulation of the argument __metadata__.sshs_model_hash leads to cross site scripting. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:C | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
stable-diffusion-webuiAUTOMATIC1111 |
|
References
- VDB-421653 | AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scriptingvdb-entrytechnical-description
- VDB-421653 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-111987 | CVE Analysis and Reportthird-party-advisory
- Submit #1006710 | AUTOMATIC1111 stable-diffusion-webui v1.10.1 Cross Site Scriptingthird-party-advisory
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17500issue-tracking
- https://github.com/user-attachments/files/32834382/a1111-sshs-hash-poc.zipexploit
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/product
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