The Apache Software Foundation takes security issues very seriously. If you have any concern around Apache NetBeans security or believe you have uncovered a vulnerability, we suggest that you get in touch via the e-mail address [email protected]. In the message, try to provide a description of the issue and ideally a way of reproducing it. The security team will get back to you after assessing the description. Please do not discuss the vulnerability publicly until we've had time to assess and address.
Note that this security address should be used only for undisclosed vulnerabilities. Dealing with fixed issues or general questions on use should be handled via the user and dev mailing lists.
The ASF Security team's page describes how vulnerability reports are handled, and includes PGP keys if you wish to use that.