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Message-ID: <9ef99518-e11a-b585-1179-ceeae6c6309e@apache.org>
Date: Thu, 11 Jun 2026 16:54:11 +0000
From: Colm O hEigeartaigh <coheigea@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-50628: Apache CXF: OAuth2: Inverted IP Binding Check
Defeats Security Control
Severity: important
Affected versions:
- Apache CXF (org.apache.cxf:cxf-rt-rs-security-oauth2) 4.2.0 before 4.2.2
- Apache CXF (org.apache.cxf:cxf-rt-rs-security-oauth2) before 4.1.7
Description:
A logic error in OAuthRequestFilter rejects legitimate requests originating from the bound IP address, while blindly allowing requests from any other IP address. Enabling this
security feature inadvertently creates an inverse security check. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fixes this issue.
Credit:
Guanping Zhang reported this vulnerability (finder)
References:
https://cxf.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-50628
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