CISA Thorium insecure downloaded file path validation
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Thorium (CISA) Fixed in 1.1.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
CISA Thorium 1.1.2
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2025-24589 CISA Thorium does not validate TLS connections to ElasticsearchPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2025-35430
- 2026-10-03 Alias added: GHSA-683m-m6wg-rhf3
More CISA Thorium vulnerabilities
- TI-2025-24590 CISA Thorium download stream divide by zero CVSS 4.0MEDIUM 5.3
- TI-2025-24589 CISA Thorium does not validate TLS connections to Elasticsearch CVSS 4.0LOW 2.3
- TI-2025-24591 CISA Thorium account verification email error handling CVSS 4.0MEDIUM 6.9
- TI-2025-24587 CISA Thorium does not rate limit account verification email messages CVSS 4.0MEDIUM 6.9
- TI-2025-24586 CISA Thorium LDAP injection CVSS 4.0MEDIUM 5.3
- TI-2025-24588 Insufficient session expiration in CISA Thorium CVSS 4.0LOW 2.3
Sources
- CVE-2025-35430 · CVE Program
- CVE-2025-35430 · NVD
- FIRST EPSS
- GHSA-683m-m6wg-rhf3 · GitHub Advisory Database · CC BY 4.0
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