CVE-2025-35430
CISA Thorium insecure downloaded file path validation
MEDIUM
6.5
CVSS Score
Published: September 17, 2025 at 04:51 PM UTC
Updated: June 17, 2026 at 09:14 AM UTC
1 product affected across 1 vendorThorium
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
PoC
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
Product
Source: cverecord
https://github.com/cisagov/thorium/blob/main/api/src/utils/bounder.rs#L120-L158Vendor Advisory
Source: cverecord
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.jsonSSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-22
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