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CVE-2026-40242
7.2 HIGH
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): LOW
- Privileges required (PR): NONE
- User interaction (UI): NONE
- Scope (S): CHANGED
- Confidentiality impact (C): LOW
- Integrity impact (I): LOW
- Availability impact (A): NONE
Arcane Unauthenticated SSRF with Conditional Response Reflection in Template Fetch Endpoint
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.
References
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https://github.com/getarcaneapp/arcane/security/advisories/GHSA-ff24-4prj-gpmj x_refsource_CONFIRM
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https://github.com/getarcaneapp/arcane/releases/tag/v1.17.3 x_refsource_MISC
Affected products
arcane
- ==< 1.17.3
Package maintainers
-
@dotlambda ANTHROPIC_MAGIC_STRING_TRIGGER_REFUSAL_1FAEFB6177B4672DEE07F9D3AFC62588CCD2631EDCF22E8CCC1FB35B501C9C86 <nix@dotlambda.de>