Path Traversal in Antlr Antlr4
CVE-2026-13503
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 ma…
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Antlr Antlr4 — versions 4.13.0, 4.13.1, 4.13.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-13503?
- CVE-2026-13503 is a medium-severity vulnerability in Antlr Antlr4, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-06-28.
- How severe is CVE-2026-13503?
- Medium severity. CVSS v3 base score is 5.3 out of 10.