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CVE-2026-42522 (SECURITY-3702) is a missing authorization vulnerability in Jenkins GitHub Branch Source Plugin affecting version 1967.vdea_d580c1a_b_a_ and earlier. The plugin does not perform a permission check in a method implementing form validation. As a result, an attacker with Overall/Read permission can invoke functionality intended for validating GitHub App connectivity and cause Jenkins to initiate a connection to an attacker-specified URL using attacker-specified GitHub App credentials.
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Cross-references every affected SKU, including bundled OEM variants.
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