CVE-2026-54368 CentreStack < 17.4 SQL Injection via x-glad-filter Header
Authenticated attackers can execute arbitrary SQL and write files to the server via a crafted header, leading to remote code execution in CentreStack.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-54368?
CVE-2026-54368 is a high-severity SQL injection vulnerability in Gladinet CentreStack, published on 30 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
CentreStack before 17.4 contains a SQL injection vulnerability in GladDBFiles.SearchEx() and SearchExUnder() that allows authenticated attackers to execute arbitrary SQL statements by supplying a crafted x-glad-filter request header through the jsondir API endpoint. Attackers can exploit unsanitized interpolation of the Field parameter directly into SQL query strings to write arbitrary files to the server filesystem via PostgreSQL lo_from_bytea() and lo_export() functions, enabling remote code execution.
Weakness: CWE-89
Which versions are affected by CVE-2026-54368?
How do I fix CVE-2026-54368?
No fix has been published for CVE-2026-54368 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-2026-54368 being exploited?
There is no known exploitation of CVE-2026-54368 in the wild and no public exploit code.
Sources
Also known as GHSA-4cmj-5m56-fg8c.