Unrated severityNVD Advisory· Published Jul 18, 2026
Debian ruby-excon: Excon is usable, fast, simple HTTP 1.1 for Ruby. Prior to 1.5.0, Excon's Redirec…
CVE-2026-54171
Description
Excon is usable, fast, simple HTTP 1.1 for Ruby. Prior to 1.5.0, Excon's RedirectFollower middleware failed to strip additional sensitive headers when following redirects and did not provide a custom list of headers to strip. This could cause inadvertent leakage of sensitive data when the initial request includes header information that is not intended for the new target. This issue is fixed in version 1.5.0.
Affected products
2- Range: <1.5.0
Patches
Vulnerability mechanics
News mentions
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