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CVE-2026-40242

6.5 medium SSVC exploitation: poc Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · getarcaneNVD modified 2026-10-26 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:getarcane:arcane:*:*:*:*:*:*:*:*

References 3