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CVE-2026-4308— frdel/agent0ai agent-zero document_query.py handle_pdf_document server-side request forgery

Quick assessment

Affected
frdel agent-zero
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.

Agent Zero是Jan Tomášek个人开发者的一个人工智能框架。 Agent Zero 0.9.7版本存在代码问题漏洞，该漏洞源于对文件python/helpers/document_query.py中参数的错误操作，可能导致服务器端请求伪造。

CVSS 6.3 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4308

Vulnerability Information
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Vulnerability Title
frdel/agent0ai agent-zero document_query.py handle_pdf_document server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in frdel/agent0ai agent-zero 0.9.7. This affects the function handle_pdf_document of the file python/helpers/document_query.py. This manipulation causes server-side request forgery. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Agent Zero 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Agent Zero是Jan Tomášek个人开发者的一个人工智能框架。 Agent Zero 0.9.7版本存在代码问题漏洞，该漏洞源于对文件python/helpers/document_query.py中参数的错误操作，可能导致服务器端请求伪造。
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
frdel agent-zero 0.9.7 cpe:2.3:a:agent-zero:agent-zero:*:*:*:*:*:*:*:*
agent0ai agent-zero 0.9.7 cpe:2.3:a:agent-zero:agent-zero:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-4308

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III. Intelligence Information for CVE-2026-4308

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Vendor Advisories for CVE-2026-4308 (2)

Proof of Concept for CVE-2026-4308 (2)

IV. Related Vulnerabilities

Same product: agent-zero
Same vendor: frdel
Same weakness: CWE-918

V. Comments for CVE-2026-4308

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