{"id":"CVE-2025-35430","aliases":["EUVD-2025-29738","GHSA-683m-m6wg-rhf3"],"status":"published","title":"CISA Thorium insecure downloaded file path validation","description":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. Fixed in 1.1.2.","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00485,"percentile":0.42228,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2025-09-17T16:51:52Z","modified":"2026-10-28T02:30:58Z","products":[{"vendor":"cisa","product":"thorium"}],"references":[{"url":"https://github.com/cisagov/thorium/releases/tag/1.1.2","tags":["Release Notes","web"]},{"url":"https://github.com/cisagov/thorium/blob/main/api/src/utils/bounder.rs#L120-L158","tags":["Product","web"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-35430","tags":["Third Party Advisory","web"]},{"url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-35430","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-683m-m6wg-rhf3"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/35xxx/CVE-2025-35430.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-35430","title":"CISA Thorium insecure downloaded file path validation","description":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. Fixed in 1.1.2.","status":"published","published":"2025-09-17T16:51:52.544Z","modified":"2025-09-30T15:26:55.208Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:32:51.199669Z"}],"euvd":[{"id":"EUVD-2025-29738","description":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. Fixed in 1.1.2.","status":"published","published":"2025-09-17T16:51:52Z","modified":"2025-09-30T15:26:55Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:38.096877Z"}],"ghsa":[{"id":"GHSA-683m-m6wg-rhf3","title":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral'...","description":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. 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Fixed in 1.1.2.","status":"published","published":"2025-09-17T17:15:43.1Z","modified":"2026-06-17T09:14:17.097Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:11:29.650057Z"}],"osv":[{"id":"CVE-2025-35430","title":"CISA Thorium insecure downloaded file path validation","description":"CISA Thorium does not adequately validate the paths of downloaded files via 'download_ephemeral' and 'download_children'. A remote, authenticated attacker could access arbitrary files subject to file system permissions. Fixed in 1.1.2.","status":"published","published":"2025-09-17T16:51:52.544Z","modified":"2026-10-28T02:30:58.466545286Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:44:48.02508Z"}]}}