What is CVE-2026-82655?

CVE-2026-82655 is a high-severity vulnerability in Admidio, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-08-30.

How severe is CVE-2026-82655?

High severity. CVSS v3 base score is 7.5 out of 10.

SQL Injection in Admidio

CVE-2026-82655

Admidio before 5.0.12 contains a blind SQL injection vulnerability in the relation_type_list parameter of lists_show.php that allows unauthenticated attackers to execute arbitrary SQL queries. Attackers can bypass authentication by providing a dummy UUID in role_list and inject SQL through relation_type_list to extract database contents including password hashes and user credentials.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Admidio

Weakness classification (CWE)

CWE-89 — SQL Injection

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-82655?: CVE-2026-82655 is a high-severity vulnerability in Admidio, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-08-30.
How severe is CVE-2026-82655?: High severity. CVSS v3 base score is 7.5 out of 10.