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CVE-2026-54605

OAuth: Cross-origin token-request redirects can expose signed request metadata PUBLISHED

Description (CNA)

OAuth is a Ruby wrapper for the OAuth 1.0 and 1.0a protocols, providing clients and servers. From 0.5.5 to 1.1.5, OAuth::Consumer#token_request parses the raw Location header of a 300 to 399 redirect returned by the OAuth server and follows the redirect recursively, which can mutate the consumer's configuration and expose signed OAuth request metadata, including the Authorization header, to a cross-origin host. This issue is fixed in version 1.1.6.

Affected (CNA)

Vendor / productVersions
ruby-oauth / oauthaffected >= 0.5.5, < 1.1.6

CWE

CWE-200, CWE-346, CWE-918

References

ADP enrichment

CISA-ADP

No English description supplied.