CVE-2023-26922: SQL injection vulnerability found in Varisicte matrix-gui v.2 allows a remote attacker to execute arbitrary co

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-26922 is a critical-severity flaw (CVSS 9.8) affecting matrix-gui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability found in Varisicte matrix-gui v.2 allows a remote attacker to execute arbitrary code via the shell_exect parameter to the \www\pages\matrix-gui-2.0 endpoint.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-03-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: variscite

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-03-08 16:15 UTCPublished CVE record published
2026-06-17 05:43 UTCUpdated Record last modified

variscite matrix-gui DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

apt-cache policy matrix-gui || rpm -q matrix-gui || matrix-gui --version

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison matrix-gui sudo apt install matrix-gui=<VERSION_BEFORE_2.0> sudo apt-mark hold matrix-gui

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list matrix-gui sudo dnf downgrade matrix-gui-<VERSION_BEFORE_2.0> sudo dnf versionlock add matrix-gui

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-26922?

matrix-gui: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-26922 being exploited?

CVE-2023-26922 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-2023-26922 affect?

CVE-2023-26922 affects matrix-gui. Severity is critical (CVSS 9.8). SQL injection vulnerability found in Varisicte matrix-gui v.2 allows a remote attacker to execute arbitrary code via the shell_exect parameter to the \www\pages\matrix-gui-2.0 endpoint.

How urgent is CVE-2023-26922?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

← Back to latest CVEs