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CVE-2026-85699— jina-ai reader server-side request forgery via redirect validation bypass

Quick assessment

Affected
jina-ai reader
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.

Jina AI Reader是Jina AI公司开源的一款将网页内容转换为大语言模型友好格式的工具。 Jina AI Reader存在服务端请求伪造漏洞，该漏洞源于URL验证仅在初始请求时执行而未在后续重定向跳转中重新应用，可能导致服务端请求伪造，攻击者可构造重定向到内部网络地址或云元数据端点的公共URL，使服务器获取并返回目标响应体。

CVSS 7.5 · High EPSS 0.29% · P22

Affected Version Matrix 1

VendorProduct Version RangeStatus
jina-ai reader ≤ 1574bfd380d249c86c82db4dace0d9c8fe17e2b1 affected
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I. Basic Information for CVE-2026-85699

Vulnerability Information
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Vulnerability Title
jina-ai reader server-side request forgery via redirect validation bypass
Source: CVE Program / CVE List V5
Vulnerability Description
jina-ai reader contains a server-side request forgery vulnerability where URL validation is performed only on the initial request but not re-applied to subsequent redirect hops. Attackers can craft a public URL that redirects to internal network addresses or cloud metadata endpoints, allowing the server to fetch and return the target's response body to the attacker.
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
Jina AI Reader 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jina AI Reader是Jina AI公司开源的一款将网页内容转换为大语言模型友好格式的工具。 Jina AI Reader存在服务端请求伪造漏洞，该漏洞源于URL验证仅在初始请求时执行而未在后续重定向跳转中重新应用，可能导致服务端请求伪造，攻击者可构造重定向到内部网络地址或云元数据端点的公共URL，使服务器获取并返回目标响应体。
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
jina-ai reader 0 ~ 1574bfd380d249c86c82db4dace0d9c8fe17e2b1 -

II. Public POCs for CVE-2026-85699

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III. Intelligence Information for CVE-2026-85699

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Patches & Fixes for CVE-2026-85699 (1)

Vendor Advisories for CVE-2026-85699 (1)

Proof of Concept for CVE-2026-85699 (2)

IV. Related Vulnerabilities

Same product: reader
Same vendor: jina-ai
Same weakness: CWE-918

V. Comments for CVE-2026-85699

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