CVE-2025-35430

5.3 mediumEPSS 0.5%

Medium (5.3) in cisa thorium. EPSS 0.5% chance of exploitation in the next 30 days.

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

CVSS 4.0

5.3 medium

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

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2025-09-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

cisa:thorium

References

https://github.com/cisagov/thorium/blob/main/api/src/utils/bounder.rs#L120-L158
https://github.com/cisagov/thorium/releases/tag/1.1.2
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json
https://www.cve.org/CVERecord?id=CVE-2025-35430

Check your stack JSON