CVE-2026-40242 : faille moyenne getarcane arcane (CVSS 6.5)

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.

Sévérité

Moyenne (CVSS 6.5)

Vecteur CVSS

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

Exploitation active

Non signalée par la CISA

Publication

10 avr. 2026

Dernière mise à jour

17 juin 2026

• getarcane arcane

• Fiche CVE-2026-40242 sur le NVD (NIST)
• github.com/getarcaneapp/arcane/releases/tag/v1.17.3
• github.com/getarcaneapp/arcane/security/advisories/GHSA…