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CVE-2026-42351— pygeoapi: Path Traversal in STAC FileSystemProvider

CVSS 7.5 · High EPSS 0.09% · P26
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I. Basic Information for CVE-2026-42351

Vulnerability Information
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Vulnerability Title
pygeoapi: Path Traversal in STAC FileSystemProvider
Source: NVD (National Vulnerability Database)
Vulnerability Description
pygeoapi is a Python server implementation of the OGC API suite of standards. From version 0.23.0 to before version 0.23.3, a raw string path concatenation vulnerability in pygeoapi's STAC FileSystemProvider plugin can allow for requests to STAC collection based collections to expose directories without authentication. The issue manifests when pygeoapi is deployed without a proxy or web front end that would normalize URLs with .. values, along with a resource of type stac-collection defined in configuration. This issue has been patched in version 0.23.3.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
pygeoapi 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pygeoapi是geopython开源的一个地理空间数据API服务器。 pygeoapi 0.23.0版本至0.23.3之前版本存在路径遍历漏洞，该漏洞源于STAC FileSystemProvider插件中存在原始字符串路径拼接漏洞，可能导致请求STAC集合时暴露目录。
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
geopythonpygeoapi >= 0.23.0, < 0.23.3 -

II. Public POCs for CVE-2026-42351

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III. Intelligence Information for CVE-2026-42351

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IV. Related Vulnerabilities

Same product: pygeoapi
Same vendor: geopython
Same weakness: CWE-22

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