CVE-2026-13500
antlr ANTLR4 Grammar Action Block OutputFile.java code injection
Vexday Risk Score
30Bajo
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
CVSS 6.9EPSS —KEV nãoPoC públicaNuclei —Metasploit —Patch —
Ciclo de vida
28 jun 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
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 attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
antlr · ANTLR4PoCs públicas encontradas — 1
cve_referencegithub.com/wooyun123/wooyun/issues/4no verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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