Vulnerability Details CVE-2026-25765
Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters. Prior to 2.14.1, Faraday's build_exclusive_url method (in lib/faraday/connection.rb) uses Ruby's URI#merge to combine the connection's base URL with a user-supplied path. Per RFC 3986, protocol-relative URLs (e.g. //evil.com/path) are treated as network-path references that override the base URL's host/authority component. This means that if any application passes user-controlled input to Faraday's get(), post(), build_url(), or other request methods, an attacker can supply a protocol-relative URL like //attacker.com/endpoint to redirect the request to an arbitrary host, enabling Server-Side Request Forgery (SSRF). This vulnerability is fixed in 2.14.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.7%
CVSS Severity
CVSS v3 Score 5.8
References
Products affected by CVE-2026-25765
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cpe:2.3:a:faraday_project:faraday:1.0.0
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cpe:2.3:a:faraday_project:faraday:1.0.1
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cpe:2.3:a:faraday_project:faraday:1.1.0
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cpe:2.3:a:faraday_project:faraday:1.10.0
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cpe:2.3:a:faraday_project:faraday:1.10.1
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cpe:2.3:a:faraday_project:faraday:1.10.2
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cpe:2.3:a:faraday_project:faraday:1.10.3
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cpe:2.3:a:faraday_project:faraday:1.10.4
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cpe:2.3:a:faraday_project:faraday:1.2.0
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cpe:2.3:a:faraday_project:faraday:1.3.0
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cpe:2.3:a:faraday_project:faraday:1.3.1
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cpe:2.3:a:faraday_project:faraday:1.4.0
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cpe:2.3:a:faraday_project:faraday:1.4.1
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cpe:2.3:a:faraday_project:faraday:1.4.2
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cpe:2.3:a:faraday_project:faraday:1.4.3
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cpe:2.3:a:faraday_project:faraday:1.5.0
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cpe:2.3:a:faraday_project:faraday:1.5.1
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cpe:2.3:a:faraday_project:faraday:1.6.0
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cpe:2.3:a:faraday_project:faraday:1.7.0
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cpe:2.3:a:faraday_project:faraday:1.7.1
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cpe:2.3:a:faraday_project:faraday:1.7.2
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cpe:2.3:a:faraday_project:faraday:1.8.0
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cpe:2.3:a:faraday_project:faraday:1.9.0
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cpe:2.3:a:faraday_project:faraday:1.9.1
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cpe:2.3:a:faraday_project:faraday:1.9.2
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cpe:2.3:a:faraday_project:faraday:1.9.3
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cpe:2.3:a:faraday_project:faraday:2.0.0
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cpe:2.3:a:faraday_project:faraday:2.0.1
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cpe:2.3:a:faraday_project:faraday:2.1.0
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cpe:2.3:a:faraday_project:faraday:2.10.0
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cpe:2.3:a:faraday_project:faraday:2.10.1
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cpe:2.3:a:faraday_project:faraday:2.11.0
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cpe:2.3:a:faraday_project:faraday:2.12.0
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cpe:2.3:a:faraday_project:faraday:2.12.1
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cpe:2.3:a:faraday_project:faraday:2.12.2
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cpe:2.3:a:faraday_project:faraday:2.12.3
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cpe:2.3:a:faraday_project:faraday:2.13.0
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cpe:2.3:a:faraday_project:faraday:2.13.1
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cpe:2.3:a:faraday_project:faraday:2.13.2
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cpe:2.3:a:faraday_project:faraday:2.13.3
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cpe:2.3:a:faraday_project:faraday:2.13.4
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cpe:2.3:a:faraday_project:faraday:2.14.0
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cpe:2.3:a:faraday_project:faraday:2.2.0
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cpe:2.3:a:faraday_project:faraday:2.3.0
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cpe:2.3:a:faraday_project:faraday:2.4.0
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cpe:2.3:a:faraday_project:faraday:2.5.0
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cpe:2.3:a:faraday_project:faraday:2.5.1
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cpe:2.3:a:faraday_project:faraday:2.5.2
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cpe:2.3:a:faraday_project:faraday:2.6.0
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cpe:2.3:a:faraday_project:faraday:2.7.0
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cpe:2.3:a:faraday_project:faraday:2.7.1
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cpe:2.3:a:faraday_project:faraday:2.7.10
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cpe:2.3:a:faraday_project:faraday:2.7.11
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cpe:2.3:a:faraday_project:faraday:2.7.12
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cpe:2.3:a:faraday_project:faraday:2.7.2
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cpe:2.3:a:faraday_project:faraday:2.7.3
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cpe:2.3:a:faraday_project:faraday:2.7.4
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cpe:2.3:a:faraday_project:faraday:2.7.5
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cpe:2.3:a:faraday_project:faraday:2.7.6
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cpe:2.3:a:faraday_project:faraday:2.7.7
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cpe:2.3:a:faraday_project:faraday:2.7.8
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cpe:2.3:a:faraday_project:faraday:2.7.9
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cpe:2.3:a:faraday_project:faraday:2.8.0
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cpe:2.3:a:faraday_project:faraday:2.8.1
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cpe:2.3:a:faraday_project:faraday:2.9.0
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cpe:2.3:a:faraday_project:faraday:2.9.1
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cpe:2.3:a:faraday_project:faraday:2.9.2