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

Q: How do I fix CVE-2026-76570?

jc tables: upgrade to 1.21.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-76570 being exploited?

CVE-2026-76570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-76570 affect?

CVE-2026-76570 affects jc tables. Severity is critical (CVSS 9.1). 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, colu

Q: How urgent is CVE-2026-76570?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.1REMOTEUPGRADE

CVE-2026-76570 is a critical-severity flaw (CVSS 9.1) affecting jc tables. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 60%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-09-30
Last modified	2026-10-06

Publisher (CNA): Joomla! Project · Vendor: joomcode

Last updated 2026-10-06 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-30 15:22 UTCPublished CVE record published
2026-10-06 17:19 UTCUpdated Record last modified

joomcode jc tables UPGRADE

Affected: < 1.21.1

Fixed in: 1.21.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jc-tables || rpm -q jc-tables || jc-tables --version

2. UPGRADE to 1.21.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade jc-tables

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade jc-tables

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-76570?

jc tables: upgrade to 1.21.1. Exact commands for each OS are on this page.

Is CVE-2026-76570 being exploited?

CVE-2026-76570 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-76570 affect?

CVE-2026-76570 affects jc tables. Severity is critical (CVSS 9.1). 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, colu

How urgent is CVE-2026-76570?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities

References

← Back to latest CVEs