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Message-ID: <7ed5e33c-2a5b-2d1c-aed7-7751eea53799@apache.org>
Date: Wed, 08 Jul 2026 17:30:14 +0000
From: Junkai Xue <jxue@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-57111: Apache Helix REST: Permissive CORS Configuration
in REST API Allows Unrestricted Cross-Origin
Severity: low
Affected versions:
- Apache Helix REST (org.apache.helix:helix-rest) through 2.0.0
Description:
Permissive Cross-Origin Resource Sharing (CORS) in the REST API (helix-rest, org.apache.helix.rest.server.filters.CORSFilter) in Apache Helix through 2.0.0 on all platforms allows a remote attacker controlling a web page visited by an authorized user to read responses from and issue cross-origin requests to administrative REST endpoints via a cross-origin request from an arbitrary origin, since the filter unconditionally returns Access-Control-Allow-Origin: * together with Access-Control-Allow-Credentials: true and reflects arbitrary Access-Control-Request-Method / Access-Control-Request-Headers values in preflight responses. Users are recommended to upgrade to version 2.0.1, which fixes this issue.
Credit:
Aastha Aggarwal (reporter)
References:
https://helix.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-57111
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