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CVE-2026-30834— PinchTab: SSRF with Full Response Exfiltration via Download Handler

Quick assessment

Affected
pinchtab pinchtab
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.

pinchtab是Pinchtab开源的一个AI代理浏览器控制工具。 pinchtab 0.7.7之前版本存在代码问题漏洞，该漏洞源于/download端点存在服务端请求伪造，可能导致服务器向任意URL发起请求并泄露响应内容。

CVSS 7.5 · High EPSS 0.44% · P38

Possible ATT&CK Techniques 1 AI

T1598 · Phishing for Information
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I. Basic Information for CVE-2026-30834

Vulnerability Information
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Vulnerability Title
PinchTab: SSRF with Full Response Exfiltration via Download Handler
Source: CVE Program / CVE List V5
Vulnerability Description
PinchTab is a standalone HTTP server that gives AI agents direct control over a Chrome browser. Prior to version 0.7.7, a Server-Side Request Forgery (SSRF) vulnerability in the /download endpoint allows any user with API access to induce the PinchTab server to make requests to arbitrary URLs, including internal network services and local system files, and exfiltrate the full response content. This issue has been patched in version 0.7.7.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
pinchtab 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pinchtab是Pinchtab开源的一个AI代理浏览器控制工具。 pinchtab 0.7.7之前版本存在代码问题漏洞，该漏洞源于/download端点存在服务端请求伪造，可能导致服务器向任意URL发起请求并泄露响应内容。
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
pinchtab pinchtab < 0.7.7 -

II. Public POCs for CVE-2026-30834

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III. Intelligence Information for CVE-2026-30834

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Vendor Advisories for CVE-2026-30834 (1)

IV. Related Vulnerabilities

Same product: pinchtab
Same vendor: pinchtab
Same weakness: CWE-918