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CVE-2026-41656

4.5 · MEDIUM

Admidio is an open-source user management solution.

Published May 7, 2026CWE-22EPSS 0.43%

Overview

CVE-2026-41656 is a medium-severity vulnerability. It was published on May 7, 2026 and has a CVSS 3.1 base score of 4.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Admidio is an open-source user management solution. Prior to version 5.0.9, the add mode in modules/documents-files.php accepts a name parameter validated only as 'string' type (HTML encoding), allowing path traversal characters (../) to pass through unfiltered. Combined with the absence of CSRF protection on this endpoint and SameSite=Lax session cookies, a low-privileged attacker can trick a documents administrator into clicking a crafted link that registers an arbitrary server file (e.g., install/config.php containing database credentials) into a documents folder accessible to the attacker. This issue has been patched in version 5.0.9.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/Admidio/admidio/releases/tag/v5.0.9GitHubgithub.com/Admidio/admidio/security/advisories/GHSA-m9h6-8pqm-xrhfGitHubgithub.com/Admidio/admidio/security/advisories/GHSA-m9h6-8pqm-xrhf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-41656?

CVE-2026-41656 is a medium-severity vulnerability. It was published on May 7, 2026 and has a CVSS 3.1 base score of 4.5 (MEDIUM).

How severe is CVE-2026-41656?

This vulnerability has a CVSS 3.1 base score of 4.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-41656?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2026-41656?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-41656 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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