Using ktlint to download and execute custom rulesets can result in arbitrary code execution as the served jars can be compromised by a MITM. This attack is exploitable via Man in the Middle of the HTTP connection to the artifact servers. This vulnerability appears to have been fixed in 0.30.0 and later; after commit 5e547b287d6c260d328a2cb658dbe6b7a7ff2261.
{ "nvd_published_at": null, "github_reviewed_at": "2020-06-16T21:54:05Z", "severity": "HIGH", "github_reviewed": true, "cwe_ids": [ "CWE-319" ] }