CVE-2026-18597— Blind SSRF on Foxit PDF Services API
Quick assessment
Affected
Foxit Software Inc. Foxit PDF Services API
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.
Foxit PDF Services API是中国Foxit公司的一款提供PDF文档处理能力的服务接口。 Foxit PDF Services API 2026-07-27之前版本存在服务端请求伪造漏洞，该漏洞源于PDF创建功能支持引用外部文件，虽限制本地文件访问，但攻击者可通过URL重定向绕过验证触发服务端请求伪造，导致信息泄露。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Services API | before 2026-07-27 |
affected |
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I. Basic Information for CVE-2026-18597
Vulnerability Information
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Vulnerability Title
Blind SSRF on Foxit PDF Services API
Source: CVE Program / CVE List V5
Vulnerability Description
The PDF creation feature of Foxit PDF Services API supports referencing external files. Although local file access is restricted, an attacker could trigger an SSRF vulnerability by using URL redirection to bypass validation, leading to information disclosure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/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
Foxit PDF Services API 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Services API是中国Foxit公司的一款提供PDF文档处理能力的服务接口。 Foxit PDF Services API 2026-07-27之前版本存在服务端请求伪造漏洞，该漏洞源于PDF创建功能支持引用外部文件，虽限制本地文件访问，但攻击者可通过URL重定向绕过验证触发服务端请求伪造，导致信息泄露。
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 |
|---|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Services API | before 2026-07-27 | - |
|
II. Public POCs for CVE-2026-18597
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2026-18597
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