CVE-2026-82655 Admidio before 5.0.12 SQL Injection via relation_type_list
Unauthenticated attackers can exploit a blind SQL injection in Admidio to extract database contents, including password hashes and user credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-82655?
CVE-2026-82655 is a high-severity SQL injection vulnerability in admidio, published on 30 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2026-82655?
How do I fix CVE-2026-82655?
No fix has been published for CVE-2026-82655 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-82655 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82655 exists.
Sources
Also known as GHSA-4rc8-26x9-r9p2, GHSA-p5cp-mhvx-w392.