{"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-2026-25734"],"ecosystem":"PyPI","epss":0.00338,"exploited":false,"fixed_versions":["35.8.3","38.5.4","39.3.1"],"ghsa_id":"GHSA-h9fp-p2p9-873q","id":"tcs_01M5KH35NE7ACV6ZSGWRDDM1YJ","modified_at":"2026-07-13T16:32:05.753738011Z","published_at":"2026-07-13T14:36:38.796031Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3057","https://github.com/rucio/rucio/security/advisories/GHSA-h9fp-p2p9-873q","https://nvd.nist.gov/vuln/detail/CVE-2026-25734","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","https://pypi.org/project/rucio-webui","https://github.com/advisories/GHSA-h9fp-p2p9-873q"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-3057","url":"https://osv.dev/vulnerability/PYSEC-2026-3057"}],"summary":"Rucio WebUI has Stored Cross-site Scripting (XSS) in RSE Metadata"}