Source: ruby-oauth2 Version: 2.0.18-1 Severity: grave Tags: security upstream Justification: user security hole X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for ruby-oauth2. CVE-2026-54603[0]: | OAuth2 is a Ruby wrapper for the OAuth 2.0 and 2.1 authorization | frameworks, including OpenID Connect (OIDC). From 0.4.0 to 2.0.21, a | protocol-relative redirect Location returned to | OAuth2::Client#request overrides the request authority, so the | bearer Authorization header is sent to an attacker-controlled host, | leaking the credential. This issue is fixed in version 2.0.22. 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-2026-54603 https://www.cve.org/CVERecord?id=CVE-2026-54603 [1] https://github.com/ruby-oauth/oauth2/security/advisories/GHSA-pp92-crg2-gfv9 [2] https://github.com/ruby-oauth/oauth2/commit/0f0a474f1b38453e119e660c2daca742d4378ce9 Please adjust the affected versions in the BTS as needed. Regards, Salvatore
