A reflected cross-site scripting vulnerability exists in Sonatype Nexus Repository versions 3.0.0 through 3.90.2 that allows unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted URL. Exploitation requires user interaction.
{
"cna_assigner": "Sonatype",
"cwe_ids": [
"CWE-79"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3438.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.91.0"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.90.2"
}
],
"source": "DESCRIPTION"
}
]
}{
"cpe": "cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.91.0"
}
],
"source": "CPE_RANGE"
}