CVE-2026-54603 OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host

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::Clientrequest overrides the request authority, so the bearer Authorization header is sent to an...

CVE-2026-54431

A flaw was found in liboauth2. The Demonstrating Proof-of-Possession DPoP verifier incorrectly accepts a malformed DPoP proof. This proof contains private key material in its JSON Web Key JWK header, which should be rejected according to RFC 9449. This vulnerability could allow an attacker to...

openSUSE 15 Security Update : vexctl (SUSE-SU-2026:0592-1)

The remote openSUSE 15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0592-1 advisory. - Update to version 0.4.1+git78.f951e3a: - CVE-2025-22868: Unexpected memory consumption during token parsing in golang.org/x/oauth2. bsc1239186 -...