Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.
[
{
"product": "Jenkins",
"vendor": "Jenkins project",
"versions": [
{
"status": "affected",
"version": "2.275"
},
{
"status": "affected",
"version": "LTS 2.263.2"
}
]
}
]