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CVE-2026-35484— text-generation-webui has a Path Traversal in load_preset() — .yaml file read without authentication

Quick assessment

Affected
oobabooga text-generation-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.

Text Generation Web UI是oobabooga个人开发者的一个本地AI的UI界面。 Text Generation Web UI 4.3之前版本存在路径遍历漏洞，该漏洞源于load_preset函数中存在未经身份验证的路径遍历漏洞，可能导致读取服务器文件系统上的任何.yaml文件，并将解析后的YAML键值对（包括密码、API密钥、连接字符串）返回到API响应中。

CVSS 5.3 · Medium EPSS 0.40% · P32
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I. Basic Information for CVE-2026-35484

Vulnerability Information
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Vulnerability Title
text-generation-webui has a Path Traversal in load_preset() — .yaml file read without authentication
Source: CVE Program / CVE List V5
Vulnerability Description
text-generation-webui is an open-source web interface for running Large Language Models. Prior to 4.3, an unauthenticated path traversal vulnerability in load_preset() allows reading any .yaml file on the server filesystem. The parsed YAML key-value pairs (including passwords, API keys, connection strings) are returned in the API response. This vulnerability is fixed in 4.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Text Generation Web UI 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Text Generation Web UI是oobabooga个人开发者的一个本地AI的UI界面。 Text Generation Web UI 4.3之前版本存在路径遍历漏洞，该漏洞源于load_preset函数中存在未经身份验证的路径遍历漏洞，可能导致读取服务器文件系统上的任何.yaml文件，并将解析后的YAML键值对（包括密码、API密钥、连接字符串）返回到API响应中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
oobabooga text-generation-webui < 4.3 -

II. Public POCs for CVE-2026-35484

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III. Intelligence Information for CVE-2026-35484

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Vendor Advisories for CVE-2026-35484 (1)

Same Patch Batch · oobabooga · 2026-04-07 · 5 CVEs total

CVE-2026-35485 7.5 HIGH text-generation-webui has a Path Traversal in load_grammar() — arbitrary file read without
CVE-2026-35486 7.5 HIGH text-generation-webui has a SSRF in superbooga/superboogav2 extensions — no URL validation
CVE-2026-35487 5.3 MEDIUM text-generation-webui has a Path Traversal in load_prompt() — .txt file read without authe
CVE-2026-35483 5.3 MEDIUM text-generation-webui has a Path Traversal in load_template() — .jinja/.yaml/.yml file rea

IV. Related Vulnerabilities

Same product: text-generation-webui
Same vendor: oobabooga
Same weakness: CWE-22

V. Comments for CVE-2026-35484

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