hawtio before versions 2.0-beta-1, 2.0-beta-2 2.0-m1, 2.0-m2, 2.0-m3, and 1.5 is vulnerable to a path traversal that leads to a NullPointerException with a full stacktrace. An attacker could use this flaw to gather undisclosed information from within hawtio's root.
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