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CVE-2026-50221

AI Predicted 8.1 Difficulty: Easy EPSS 0.15% · P4

Affected Version Matrix 3

VendorProductVersion RangeStatus
OpenStackSwift2.0.0< 2.35.3affected
2.36.0< 2.36.2affected
2.37.0< 2.37.2affected
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I. Basic Information for CVE-2026-50221

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In OpenStack Swift before 2.37.2, proxy-server does not strip internal update headers (X-Container-Host, X-Container-Device, X-Delete-At-Host, X-Delete-At-Device) from client requests before forwarding them to object-servers. An authenticated user with write access can inject these headers to redirect container update requests to an attacker-controlled server, enabling server-side request forgery. The SSRF requests expose internal cluster metadata including storage policy indexes, partition mappings, device names, and when at rest encryption is enabled, cipher text and initialization vectors for the container-level encryption key. The attacker can also cause "ghost listings" in arbitrary containers via the shard-range redirect mechanism.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenStack swift 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenStack Swift是OpenStack基金会开源的一个存储永久静态数据的存储项目。 OpenStack Swift 2.0.0版本至2.35.3之前版本、2.36.0版本至2.36.2之前版本和2.37.0版本至2.37.2之前版本存在服务端请求伪造漏洞，该漏洞源于proxy-server未清除内部更新标头，可能导致已认证用户通过注入标头重定向容器更新请求，实现服务端请求伪造，暴露内部集群元数据，并可能导致任意容器中的“幽灵列表”。
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
OpenStackSwift 2.0.0 ~ 2.35.3 -

II. Public POCs for CVE-2026-50221

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III. Intelligence Information for CVE-2026-50221

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Vendor Advisories for CVE-2026-50221 (1)

Mailing List Discussions for CVE-2026-50221 (1)

IV. Related Vulnerabilities

Same product: Swift
Same vendor: OpenStack
Same weakness: CWE-918

V. Comments for CVE-2026-50221

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