CVE-2025-35430

5.0 MEDIUM

Published: September 17, 2025 Modified: October 08, 2025

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/cisagov/thorium/blob/main/api/src/utils/bounder.rs#L120-L158

Source: 9119a7d8-5eab-497f-8521-727c672e3725

Product

https://github.com/cisagov/thorium/releases/tag/1.1.2

Source: 9119a7d8-5eab-497f-8521-727c672e3725

Release Notes

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json

Source: 9119a7d8-5eab-497f-8521-727c672e3725

Vendor Advisory

https://www.cve.org/CVERecord?id=CVE-2025-35430

Source: 9119a7d8-5eab-497f-8521-727c672e3725

Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

5.0 / 10.0

EPSS (Exploit Probability)

0.1%

17th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-22

Affected Vendors

cisa

Related CVEs