CVE-2026-82655: Admidio before 5.0.12 SQL Injection via relation_type_list

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-30 · updated 2026-08-31
Weakness: CWE-89

Description

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.

Affected products

admidio: before 5.0.12 — fixed in 5.0.12

How to fix

Upgrade to a fixed version: admidio 5.0.12. Check the vendor advisory for mitigations.

References

https://github.com/Admidio/admidio/security/advisories/GHSA-p5cp-mhvx-w392
https://www.vulncheck.com/advisories/admidio-before-5.0.12-sql-injection-via-relation-type-list
https://github.com/Admidio/admidio/security/advisories/GHSA-p5cp-mhvx-w392

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