ANTLR4 vulnerabilities

1 known vulnerability in ANTLR4 from Antlr. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 7.3 High severity

  ANTLR4: Improper Neutralization of Special Elements in Output Used by a Downstream Component

  CVE-2026-13500Jun 28, 2026Antlr

  A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The