CVE-2026-40242
7.2 · HIGHOverview
CVE-2026-40242 is a high-severity vulnerability affecting getarcane arcane. It was published on April 10, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from getarcane. Update arcane to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| getarcane | arcane | >= 0, < 1.17.3 | Affected |
Frequently Asked Questions
What is CVE-2026-40242?
CVE-2026-40242 is a high-severity vulnerability affecting getarcane arcane. It was published on April 10, 2026 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2026-40242?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-40242?
Check the references section for vendor advisories and patches from getarcane. Update arcane to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-40242?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-40242 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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