{"id":"CVE-2026-3438","title":"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 craft…","summary":"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 craft…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"sonatype","product":"nexus_repository_manager","affected":["nexus_repository_manager >= 3.0.0, < 3.91.0"],"patched":["nexus_repository_manager 3.91.0"],"published":"2026-04-08","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:38:49.823","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-3438","references":[{"url":"https://help.sonatype.com/en/sonatype-nexus-repository-3-91-0-release-notes.html","label":"103e4ec9-0a87-450b-af77-479448ddef11"},{"url":"https://support.sonatype.com/hc/en-us/articles/50609137161363","label":"103e4ec9-0a87-450b-af77-479448ddef11"}],"tags":["nvd"],"epss":0.00385,"epssPercentile":0.32349,"ingestedAt":"2026-09-18T15:44:31.549Z","slug":"CVE-2026-3438","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `nexus_repository_manager >= 3.0.0, < 3.91.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `nexus_repository_manager 3.91.0`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}