Improper authentication exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE) in the GitLab SAML integration had a validation issue that permitted an attacker to takeover another user’s account.
[
{
"product": "Gitlab CE/EE",
"vendor": "GitLab",
"versions": [
{
"status": "affected",
"version": "before 12.3.2"
},
{
"status": "affected",
"version": "before 12.2.6"
},
{
"status": "affected",
"version": "before 12.1.12"
}
]
}
]