VULNERABILITY INTELLIGENCE
CVE-2026-12209
CVSS score5.5 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2026-06-15
Last modified2026-07-24
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Description
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 controlled modification of object prototype attributes. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness classification
- CWE-94: Improper Control of Generation of Code ('Code Injection')
- CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')