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CVE-2026-42281 PoC — MagicMirror²: Unauthenticated SSRF via /cors endpoint

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-42281.yaml
Associated Vulnerability
Title: MagicMirror²: Unauthenticated SSRF via /cors endpoint (CVE-2026-42281)
Description:MagicMirror² is an open source modular smart mirror platform. Prior to 2.36.0, an unauthenticated Server-Side Request Forgery (SSRF) vulnerability in the /cors endpoint allows any remote attacker to force the MagicMirror² server to perform arbitrary HTTP requests to internal networks, cloud metadata services, and localhost services. The endpoint also expands environment variable placeholders (**VAR_NAME**), enabling exfiltration of server-side secrets. This vulnerability is fixed in 2.36.0.
Description
An unauthenticated Server-Side Request Forgery (SSRF) vulnerability in the /cors endpoint allows any remote attacker to force the MagicMirror² server to perform arbitrary HTTP requests to internal networks, cloud metadata services, and localhost services. The endpoint also expands environment variable placeholders (VAR_NAME), enabling exfiltration of server-side secrets.
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