# CVE-2026-76570: Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables < 1.21.1

> Unauthenticated attackers can execute arbitrary SQL commands via the front-end CRUD API, allowing them to read and modify database contents.

- **Severity:** Critical 10.0 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 30 Sep 2026
- **Updated:** 30 Sep 2026
- **Also known as:** GHSA-h9xw-5459-2pqw

## What is CVE-2026-76570?

CVE-2026-76570 is a critical SQL injection vulnerability in joomcode.com JCTables extension for Joomla, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables  1.21.1 - The front-end CRUD API controller performs no Joomla token validation and no authentication check on any task. Table names, column names, and values are taken directly from request parameters and concatenated into SQL queries, allowing SQLi for reading and writing queries.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2026-76570?

It affects 1 product.


Products: Joomcode Jc Tables.

## How do I fix CVE-2026-76570?

No fix has been published for CVE-2026-76570 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-76570 being exploited?

There is no known exploitation of CVE-2026-76570 in the wild and no public exploit code.

Public exploit code:

- CVE-2026-76570 PoC (PoCbit) — Joomla JCTables (com_jctables) <1.21.1: unauth SQL read/write via front-end JSON API getdatarow/getrow (CVSS 4.0 10.0 AT:N). check + exploit + mass. https://www.cve.org/CVERecord?id=CVE-2026-76570 (github_poc): https://github.com/murrez/CVE-2026-76570

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-76570 and fix it if it is affected.

What it is: CVE-2026-76570 is a critical SQL injection vulnerability in joomcode.com JCTables extension for Joomla, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-76570 in the wild and no public exploit code.

Affected product: joomcode.com JCTables extension for Joomla. 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-2026-76570/ (Markdown: https://insights.sbomify.com/CVE-2026-76570/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-76570
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-76570
- OSV: https://osv.dev/vulnerability/CVE-2026-76570

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-76570/
Summaries are generated and may contain mistakes; the official description above is the record.