High

Potential Remote Code Execution vulnerability

  • Disclosed: 02.10.2020
  • Updated: 11.10.2026 10:22

Packages nette/application versions prior to 2.2.10, 2.3.14, 2.4.16, 3.0.6 and nette/nette versions prior to 2.0.19 and 2.1.13 are vulnerable to an code injection attack by passing specially formed parameters to URL that may possibly leading to RCE.

Reported by Cyku Hong from DEVCORE (https://devco.re)

Impact

Code injection, possible remote code execution.

Patches

Fixed in nette/application 2.2.10, 2.3.14, 2.4.16, 3.0.6 and nette/nette 2.0.19 and 2.1.13

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package nette/application >= 2.2.0, < 2.2.10, >= 2.3.0, < 2.3.14, >= 2.4.0, < 2.4.16, >= 3.0.0, < 3.0.6, >= 2.0.0, < 2.0.19, >= 2.1.0, < 2.1.13 2.2.10, 2.3.14, 2.4.16, 3.0.6, 2.0.19, 2.1.13

References

CVSS score 8.7/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Weakness (CWE)
CWE-74, CWE-94
Platform
Composer
Package
nette/application
Disclosed
02.10.2020
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-8gv3-3j7f-wg94 - CC BY 4.0

Vulnerability history: nette/application

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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