GitLab CE/EE, versions 8.6 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an access control issue that allows a Guest user to make changes to or delete their own comments on an issue, after the issue was made Confidential.
{
"versions": [
{
"introduced": "8.6.0"
},
{
"fixed": "11.3.11"
},
{
"introduced": "8.6.0"
},
{
"fixed": "11.3.11"
},
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
},
{
"introduced": "11.4.0"
},
{
"fixed": "11.4.8"
},
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
},
{
"introduced": "11.5.0"
},
{
"fixed": "11.5.1"
}
]
}