An issue has been discovered in GitLab CE/EE affecting all versions from 11.2 before 18.7.5, 18.8 before 18.8.5, and 18.9 before 18.9.1 that could have allowed an authenticated user to cause denial of service by exploiting a Bitbucket Server import endpoint via repeatedly sending large responses.
{
"cna_assigner": "GitLab",
"cwe_ids": [
"CWE-770"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/2xxx/CVE-2026-2845.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"introduced": "11.2"
},
{
"fixed": "18.7.5"
},
{
"introduced": "18.8"
},
{
"fixed": "18.8.5"
},
{
"introduced": "18.9"
},
{
"fixed": "18.9.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"introduced": "11.2"
},
{
"fixed": "18.7.5"
},
{
"introduced": "18.8"
},
{
"fixed": "18.8.5"
},
{
"introduced": "18.9"
},
{
"fixed": "18.9.1"
}
],
"source": "DESCRIPTION"
}
]
}
]
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "11.2.0"
},
{
"fixed": "18.7.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "11.2.0"
},
{
"fixed": "18.7.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.8.0"
},
{
"fixed": "18.8.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.8.0"
},
{
"fixed": "18.8.5"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:community:*:*:*",
"range": [
{
"introduced": "18.9.0"
},
{
"last_affected": "18.9.0"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:18.9.0:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "18.9.0"
},
{
"last_affected": "18.9.0"
}
],
"source": "CPE_STRING"
}
]
}