# 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.

- **Severity:** High 8.7 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Jul 2026
- **Updated:** 14 Aug 2026
- **Also known as:** GHSA-4cmj-5m56-fg8c

## 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 (Improper Neutralization of Special Elements used in an SQL Command)

## 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.

## Is CVE-2026-54368 being exploited?

There is no known exploitation of CVE-2026-54368 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-54368 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-54368 in the wild and no public exploit code.

Affected product: Gladinet CentreStack. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-54368/ (Markdown: https://insights.sbomify.com/CVE-2026-54368/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-54368
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-54368
- OSV: https://osv.dev/vulnerability/CVE-2026-54368

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-54368/
Summaries are generated and may contain mistakes; the official description above is the record.