Report: CVE-2026-40242 - Arcane Unauthenticated SSRF with Conditional Response Reflection in Template Fet

Report: CVE-2026-40242 - Arcane Unauthenticated SSRF with Conditional Response Reflection in Template Fet

CVE ID :CVE-2026-40242 Published : April 10, 2026, 9:16 p.m. | 28 minutes ago Description :Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.17.3, the /api/templates/fetch endpoint accepts a caller-supplied url parameter and performs a server-side HTTP GET request to that URL without authentication and without URL scheme or host validation. The server's response is returned directly to the caller. type. This constitutes an unauthenticated SSRF vulnerability affecting any publicly reachable Arcane instance. This vulnerability is fixed in 1.17.3. Severity: 7.2 | HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
HIGH
Published
April 10, 2026
Affected Product: Docker
Impact: SSRF