CVE-2025-35430

CISA Thorium insecure downloaded file path validation

CVSS 5.3 MEDIUMEPSS 0.5%CWE-22

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

CISA · Thorium

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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