{"id":"CVE-2026-113374","aliases":["EUVD-2026-117057","GHSA-fjh7-47h9-v4mc"],"status":"published","title":"Nexus Repository 3 - Privilege Escalation via Rut Auth Capability Creation","description":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.","severity":{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00279,"percentile":0.20596,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-11-04T20:01:19Z","modified":"2026-11-04T21:32:37Z","products":[{"vendor":"sonatype","product":"nexus repository 3"}],"references":[{"url":"https://help.sonatype.com/en/sonatype-nexus-repository-3-98-0-release-notes.html","tags":["patch"]},{"url":"https://support.sonatype.com/hc/en-us/articles/56616522124435/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113374"},{"url":"https://support.sonatype.com/hc/en-us/articles/56616522124435"},{"url":"https://github.com/advisories/GHSA-fjh7-47h9-v4mc"}],"sources":{"cve":[{"id":"CVE-2026-113374","title":"Nexus Repository 3 - Privilege Escalation via Rut Auth Capability Creation","description":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.","status":"published","published":"2026-11-04T20:01:19.329Z","modified":"2026-11-09T20:56:33.329Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-09T21:34:55.043741Z"}],"euvd":[{"id":"EUVD-2026-117057","description":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.","status":"published","published":"2026-11-04T20:01:19Z","modified":"2026-11-09T20:56:33Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-09T22:18:21.971974Z"}],"ghsa":[{"id":"GHSA-fjh7-47h9-v4mc","title":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates...","description":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.","status":"published","published":"2026-11-04T21:32:29Z","modified":"2026-11-04T21:32:37Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-862"],"updated_at":"2026-11-04T21:42:45.289646Z"}],"nvd":[{"id":"CVE-2026-113374","description":"Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.","status":"published","published":"2026-11-04T20:18:57.057Z","modified":"2026-11-09T22:18:25.41Z","cvss":[{"version":"4.0","score":8.6,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-09T23:16:04.854042Z"}]}}