{"action":"Upgrade @saltcorn/server to 1.4.6 or later.","affected":[{"fixed":"1.4.6","introduced":"0"},{"fixed":"1.5.6","introduced":"1.5.0-beta.0"},{"fixed":"1.6.0-beta.5","introduced":"1.6.0-alpha.0"}],"component":"@saltcorn/server","cve_ids":["CVE-2026-42259"],"ecosystem":"npm","epss":0.00441,"exploited":false,"fixed_versions":["1.4.6","1.5.6","1.6.0-beta.5"],"ghsa_id":"GHSA-f3g8-9xv5-77gv","id":"tcs_01M5KFMAY8BJGH274Z75AP2S96","modified_at":"2026-05-11T13:53:18.140132Z","published_at":"2026-04-16T23:00:45Z","references":["https://osv.dev/vulnerability/GHSA-f3g8-9xv5-77gv","https://github.com/saltcorn/saltcorn/security/advisories/GHSA-f3g8-9xv5-77gv","https://nvd.nist.gov/vuln/detail/CVE-2026-42259","https://github.com/saltcorn/saltcorn"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-f3g8-9xv5-77gv","url":"https://osv.dev/vulnerability/GHSA-f3g8-9xv5-77gv"}],"summary":"Saltcorn: Open Redirect in `POST /auth/login` due to incomplete `is_relative_url` validation (backslash bypass)"}