The gollum-grit_adapter Ruby gem dependency in gollum before 3.1.1 and the gollum-lib gem dependency in gollum-lib before 4.0.1 when the string master is in any of the wiki documents, allows remote authenticated users to execute arbitrary code via the -O or --open-files-in-pager flags.
{
"cwe_ids": [
"CWE-284"
],
"github_reviewed": true,
"nvd_published_at": "2017-10-17T14:29:00Z",
"github_reviewed_at": "2020-06-16T21:51:32Z",
"severity": "HIGH"
}