feat(java): detect credential constructors hardcoding CredentialsScope.GLOBAL (CWE-269) - #146
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…e.GLOBAL (CWE-269)
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Adds a java rule for the Jenkins ecosystem that flags construction of a credentials object (UsernamePasswordCredentialsImpl, BasicSSHUserPrivateKey, StringCredentialsImpl, OAuth2Credentials, DockerServerCredentials, etc.) whose scope is hardcoded to CredentialsScope.GLOBAL.
Generic pattern only; no specific project referenced. Forcing GLOBAL scope on construction can over-broaden exposure of otherwise scope-limited secrets (CWE-269 / CWE-200). Pattern-not / regexes included to keep scope; confidence MEDIUM to account for deliberate global-scope usage.
Validated: semgrep --validate --config java/; fires on positive repro, silent on sanitized negative.