{"action":"Upgrade rucio-webui to 35.8.3 or later.","affected":[{"fixed":"35.8.3","introduced":"0"},{"fixed":"38.5.4","introduced":"36.0.0rc1"},{"fixed":"39.3.1","introduced":"39.0.0rc1"}],"component":"rucio-webui","cve_ids":["CVE-2026-25138"],"ecosystem":"PyPI","epss":0.00375,"exploited":false,"fixed_versions":["35.8.3","38.5.4","39.3.1"],"ghsa_id":"GHSA-38wq-6q2w-hcf9","id":"tcs_01M5KEVC9ZVWW0T91G03R4K8N0","modified_at":"2026-07-13T16:42:31.939877416Z","published_at":"2026-02-25T18:53:42Z","references":["https://osv.dev/vulnerability/GHSA-38wq-6q2w-hcf9","https://github.com/rucio/rucio/security/advisories/GHSA-38wq-6q2w-hcf9","https://nvd.nist.gov/vuln/detail/CVE-2026-25138","https://cheatsheetseries.owasp.org/cheatsheets/Authentication_Cheat_Sheet.html#authentication-and-error-messages","https://github.com/rucio/rucio","https://github.com/rucio/rucio/releases/tag/35.8.3","https://github.com/rucio/rucio/releases/tag/38.5.4","https://github.com/rucio/rucio/releases/tag/39.3.1"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-38wq-6q2w-hcf9","url":"https://osv.dev/vulnerability/GHSA-38wq-6q2w-hcf9"}],"summary":"Rucio WebUI has Username Enumeration via Login Error Message"}