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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: ruby-faraday: CVE-2026-33637
Message-ID: <177933680739.1440452.9554071919186437213.reportbug@elende.valinor.li>
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Date: Thu, 21 May 2026 06:13:27 +0200
Delivered-To: submit@bugs.debian.org

Source: ruby-faraday
Version: 2.14.1-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for ruby-faraday.

CVE-2026-33637[0]:
| Faraday is an HTTP client library abstraction layer that provides a
| common interface over many adapters. Versions 2.0.0 through 2.14.1
| still allow protocol-relative host override when the request target
| is passed as a URI object (rather than a String) to
| Faraday::Connection#build_exclusive_url. This bypasses the February
| 2026 fix for GHSA-33mh-2634-fwr2 and enables off-host request
| forgery: a request built from a fixed-base Faraday::Connection can
| be redirected to an attacker-controlled host, forwarding connection-
| scoped values such as Authorization headers and default query
| parameters. This issue has been fixed in version 2.14.3.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-33637
    https://www.cve.org/CVERecord?id=CVE-2026-33637
[1] https://github.com/lostisland/faraday/security/advisories/GHSA-5rv5-xj5j-3484

Regards,
Salvatore
]