What is CVE-2026-103648?

CVE-2026-103648 is a critical-severity vulnerability in Demsking Image-Downloader, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-10-02.

How severe is CVE-2026-103648?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2026-103648 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Demsking Image-Downloader

CVE-2026-103648

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-10-02 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Demsking Image-Downloader

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

EterNullSec/CVE-2026-103648

References

Frequently asked questions

What is CVE-2026-103648?: CVE-2026-103648 is a critical-severity vulnerability in Demsking Image-Downloader, classified under Path Traversal. CVSS score: 9.1/10. Published 2026-10-02.
How severe is CVE-2026-103648?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2026-103648 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.