Vulnerability · Published Oct 2, 2026 · Assigned by GitLab
CVE-2026-103648Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in image-downloader
Critical 9.1
In plain English
A critical-severity path traversal in image-downloader from demsking. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 54.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
Path traversal in image-downloader 4.3.0 allows an attacker who can control the download URL to cause downloaded response data to be written outside the configured destination directory.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| demsking | image-downloader | 0 – before 4.3.1 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H