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CVE-2026-15628— zhayujie chatgpt-on-wechat CowAgent Vision Tool vision.py Vision._download_to_data_url server-side request forgery

CVSS 6.3 · Medium EPSS 0.22% · P13

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProductVersion RangeStatus
zhayujiechatgpt-on-wechat CowAgent2.1.0affected
2.1.1affected
2.1.2unaffected
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I. Basic Information for CVE-2026-15628

Vulnerability Information
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Vulnerability Title
zhayujie chatgpt-on-wechat CowAgent Vision Tool vision.py Vision._download_to_data_url server-side request forgery
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in zhayujie chatgpt-on-wechat CowAgent up to 2.1.1. This issue affects the function Vision._download_to_data_url of the file agent/tools/vision/vision.py of the component Vision Tool. Performing a manipulation of the argument image results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.1.2 is capable of addressing this issue. The patch is named e85290cddcbb5ffc9c235927f4c92e5b4c3ec264. The affected component should be upgraded.
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
zhayujie chatgpt-on-wechat cowagent 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
zhayujie chatgpt-on-wechat cowagent是zhayujie个人开发者的一款信息化产品。 zhayujie chatgpt-on-wechat CowAgent 2.1.0版本和2.1.1版本存在服务端请求伪造漏洞，该漏洞源于Vision Tool组件中函数Vision._download_to_data_url对参数image的操作问题，容易受到服务端请求伪造攻击。
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

VendorProductAffected VersionsCPESubscribe
zhayujiechatgpt-on-wechat CowAgent 2.1.0 cpe:2.3:a:zhayujie:chatgpt-on-wechat_cowagent:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15628

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III. Intelligence Information for CVE-2026-15628

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Patches & Fixes for CVE-2026-15628 (2)

Security Blog Posts for CVE-2026-15628 (1)

Other References for CVE-2026-15628 (1)

IV. Related Vulnerabilities

Same product: chatgpt-on-wechat CowAgent
Same vendor: zhayujie
Same weakness: CWE-918

V. Comments for CVE-2026-15628

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