CVE-2026-13503 – antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal

CVE ID :CVE-2026-13503

Published : June 28, 2026, 3:15 p.m. | 30 minutes ago

Description :A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity: 0.0 | NA

Visit the link for more details, such as CVSS details, affected products, timeline, and more…