CVE-2026-36458 SQL injection in n/a
An attacker with admin access can inject SQL via the content parameter in ChestnutCMS templates, potentially reading or modifying database data.
- 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-2026-36458?
CVE-2026-36458 is a critical SQL injection vulnerability in n/a, published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ChestnutCMS v1.5.10 has a SQL injection vulnerability. The content parameter of the cms_content tag can be manipulated in the admin backend and injected into a SQL query when the template is rendered.
Weakness: CWE-94
Which versions are affected by CVE-2026-36458?
How do I fix CVE-2026-36458?
No fix has been published for CVE-2026-36458 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-2026-36458 being exploited?
There is no known exploitation of CVE-2026-36458 in the wild and no public exploit code.
Sources
Also known as GHSA-c3xh-mwgm-9f7j.