CVE-2026-27697 baserCMS: SQL injection vulnerability in blog post

Medium 6.9 Published Updated

Attackers can execute arbitrary SQL commands via blog posts in baserCMS, potentially reading or modifying database contents.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-27697?

CVE-2026-27697 is a medium-severity SQL injection vulnerability in Basercms Basercms, published on 31 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

baserCMS is a website development framework. Prior to version 5.2.3, baserCMS has a SQL injection vulnerability in blog posts. This issue has been patched in version 5.2.3.

Weakness: CWE-89

Which versions are affected by CVE-2026-27697?

2 open source packages ship an affected version, including baserproject/basercms. It affects 1 product.

PackageAffectedFixed in
baserproject/basercms PackagistAll versions5.2.3
baserproject/basercms PackagistAll versions5.2.3

Products include Basercms Basercms.

How do I fix CVE-2026-27697?

Upgrade baserproject/basercms to 5.2.3 or later.

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-2026-27697 being exploited?

There is no known exploitation of CVE-2026-27697 in the wild and no public exploit code.

All Basercms Basercms vulnerabilities

Sources

Also known as GHSA-vh89-rjph-2g7p.

Is CVE-2026-27697 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free