CVE-2026-42175— requests-hardened: Server-Side Request Forgery (SSRF) in requests-hardened RFC 6598
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| saleor | requests-hardened | < 1.2.1 | affected |
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I. Basic Information for CVE-2026-42175
Vulnerability Information
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Vulnerability Title
requests-hardened: Server-Side Request Forgery (SSRF) in requests-hardened RFC 6598
Source: NVD (National Vulnerability Database)
Vulnerability Description
requests-hardened is a library that overrides the default behaviors of the requests library, and adds new security features. Prior to , the SSRF protection in requests-hardened fails to block IP addresses within the RFC 6598 Shared Address Space (100.64.0.0/10). An attacker who can supply arbitrary URLs to requests-hardened could exploit this gap to access internal services hosted within 100.64.0.0/10. This is for example relevant in environments such as AWS EKS where 100.64.0.0/10 is commonly used as the default pod CIDR. The impact is environment-dependent, deployments that utilize the affected CIDR range for internal networking are exposed to SSRF bypass, while others may not be affected. This vulnerability is fixed in .
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
requests-hardened 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
requests-hardened是Saleor Commerce开源的一个增强HTTP请求安全性的Python库。 requests-hardened存在代码问题漏洞，该漏洞源于SSRF保护未能阻止RFC 6598共享地址空间，可能导致攻击者访问内部服务。
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 |
|---|---|---|---|---|
| saleor | requests-hardened | < 1.2.1 | - |
II. Public POCs for CVE-2026-42175
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/saleor/requests-hardened/releases/tag/v1.2.1x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-42175
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V. Comments for CVE-2026-42175
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