CVE-2026-111913 Admidio CVE debrief

Who should care

Defenders and administrators of Admidio installations, especially those using versions prior to 5.0.16, should assess their exposure and take necessary actions to prevent unauthorized access to member lists.

Why it matters

CVE-2026-111913 is a MEDIUM-severity vulnerability in Admidio that allows authenticated users to export member lists as PDF files despite export restrictions. Defenders should prioritize verifying exposure, assessing impact, and updating to Admidio version 5.0.16 or later if possible.

• Authenticated users with list view rights can export member lists as PDF files despite export restrictions
• Potential unauthorized access to sensitive member information
• Need to verify Admidio version and assess exposure
• Prioritize updating to Admidio version 5.0.16 or later

Technical summary

The vulnerability is caused by the groups_roles_export check in modules/groups-roles/lists_show.php omitting pdfl, which later runs the pdf export. This allows authenticated users with list view rights to download member lists as PDF files despite export restrictions. Defenders should prioritize verifying exposure and assessing the impact of this vulnerability on their systems, especially if they are using Admidio versions prior to 5.0.16. The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected versions.

Defensive priority

Defenders should prioritize verifying exposure and assessing the impact of this vulnerability on their systems, especially if they are using Admidio versions prior to 5.0.16.

Recommended defensive actions

• Verify Admidio version and assess exposure
• Restrict access to list view rights
• Monitor for suspicious PDF export requests
• Update to Admidio version 5.0.16 or later if possible
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, including its description, CVSS score, and affected versions. However, the corpus does not establish versions, exploitation, impact, or remediation beyond what is provided, requiring verification from the supplied official sources.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.