{"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-2026-25733"],"ecosystem":"PyPI","epss":0.00306,"exploited":false,"fixed_versions":["35.8.3","38.5.4","39.3.1"],"ghsa_id":"GHSA-rwj9-7j48-9f7q","id":"tcs_01M5KH35SYNVEAFBVA451TZ22Q","modified_at":"2026-07-13T16:31:47.311820262Z","published_at":"2026-07-13T14:36:38.729765Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3058","https://github.com/rucio/rucio/security/advisories/GHSA-rwj9-7j48-9f7q","https://nvd.nist.gov/vuln/detail/CVE-2026-25733","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-rwj9-7j48-9f7q"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-3058","url":"https://osv.dev/vulnerability/PYSEC-2026-3058"}],"summary":"Rucio WebUI Vulnerable to Stored Cross-site Scripting (XSS) through Custom Rule Function"}