CVE-2026-42194

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

Admidio is an open-source user management solution. Prior to version 5.0.9, the incomplete SSRF fix in Admidio's fetch_metadata.php validates the resolved IP address but passes the original hostname-based URL to curl_init(), leaving a DNS rebinding TOCTOU window that allows redirecting requests to internal IPs. This issue has been patched in version 5.0.9.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-918

Affected software

No affected versions have been published.

Timeline

Published: May 7, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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