{"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-2026-25736"],"ecosystem":"PyPI","epss":0.00527,"exploited":false,"fixed_versions":["35.8.3","38.5.4","39.3.1"],"ghsa_id":"GHSA-fq4f-4738-rqxm","id":"tcs_01M5KFFV7KQPWTQP7WSWTMMHH8","modified_at":"2026-07-13T16:43:19.227090721Z","published_at":"2026-02-25T19:37:27Z","references":["https://osv.dev/vulnerability/GHSA-fq4f-4738-rqxm","https://github.com/rucio/rucio/security/advisories/GHSA-fq4f-4738-rqxm","https://nvd.nist.gov/vuln/detail/CVE-2026-25736","https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html","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":6.1},"sources":[{"source":"osv","source_id":"GHSA-fq4f-4738-rqxm","url":"https://osv.dev/vulnerability/GHSA-fq4f-4738-rqxm"}],"summary":"Rucio WebUI has a Stored Cross-site Scripting (XSS) Vulnerability in its Custom RSE Attribute"}