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CVE-2026-111987— AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting

Quick assessment

Affected
AUTOMATIC1111 stable-diffusion-webui
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 AUTOMATIC1111 stable-diffusion-webui 1.10.1 及更早版本中发现了一个安全漏洞。该漏洞影响的是组件"Extra-Networks Card Builder"中文件 的 函数。攻击者可通过操纵参数 引发跨站脚本攻击（XSS）。此攻击可远程发起，且利用代码已在公开渠道可用，存在被利用的风险。项目方已通过问题报告提前获知该问题，但截至目前尚未作出回应。

CVSS 4.3 · Medium
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I. Basic Information for CVE-2026-111987

Vulnerability Information
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Vulnerability Title
AUTOMATIC1111 stable-diffusion-webui Extra-Networks Card Builder sd_models.py read_metadata_from_safetensors cross site scripting
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
AUTOMATIC1111 stable-diffusion-webui 1.10.0 cpe:2.3:a:automatic1111:stable-diffusion-webui:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-111987

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III. Intelligence Information for CVE-2026-111987

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Vendor Pages for CVE-2026-111987 (1)

Other References for CVE-2026-111987 (6)

Same Patch Batch · AUTOMATIC1111 · 2026-10-18 · 4 CVEs total

CVE-2026-111986 6.3 MEDIUM AUTOMATIC1111 stable-diffusion-webui Model Instantiation sd_models.py get_obj_from_str cod
CVE-2026-111984 4.3 MEDIUM AUTOMATIC1111 stable-diffusion-webui Card Builder ui_extra_networks.py create_item_html cr
CVE-2026-111985 4.3 MEDIUM AUTOMATIC1111 stable-diffusion-webui Metadata Extraction sd_models.py read_metadata_from_s

IV. Related Vulnerabilities

Same product: stable-diffusion-webui
Same vendor: AUTOMATIC1111
Same weakness: CWE-79

V. Comments for CVE-2026-111987

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