Jenkins Blue Ocean Plugin 1.23.2 and earlier provides an undocumented feature flag that, when enabled, allows an attacker with Job/Configure or Job/Create permission to read arbitrary files on the Jenkins controller file system.
[
{
"product": "Jenkins Blue Ocean Plugin",
"vendor": "Jenkins project",
"versions": [
{
"lessThanOrEqual": "1.23.2",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "1.19.2"
}
]
}
]