What is CVE-2026-12209?

CVE-2026-12209 is a medium-severity vulnerability in Rubylouvre Avalon, classified under Code Injection. CVSS score: 5.3/10. Published 2026-06-15.

How severe is CVE-2026-12209?

Medium severity. CVSS v3 base score is 5.3 out of 10.

RCE in Rubylouvre Avalon

CVE-2026-12209

A security vulnerability has been detected in RubyLouvre avalon up to 2.2.10. The impacted element is an unknown function of the file src/filters/index.js of the component Template Filter Handler. Such manipulation leads to improperly cont…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.003 (23.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Rubylouvre Avalon — versions 2.2.0, 2.2.1, 2.2.2

Weakness classification (CWE)

References

cna@vuldb.com (exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-12209?: CVE-2026-12209 is a medium-severity vulnerability in Rubylouvre Avalon, classified under Code Injection. CVSS score: 5.3/10. Published 2026-06-15.
How severe is CVE-2026-12209?: Medium severity. CVSS v3 base score is 5.3 out of 10.