CVE-2026-103648 PUBLISHED

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in image-downloader

Assigner: GitLab
Reserved: 01.10.2026 Published: 02.10.2026 Updated: 02.10.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CVSS Score: 9.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	demsking
Product	image-downloader
Versions	Default: unknown affected from 0 to 4.3.1 (excl.)

Solutions

Upgrade to version 4.3.1.

Credits

Amirhossein Roustaei (@eternullsec), Eternull Security finder

References

Problem Types

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE