{"schema_version":1,"title":"ANTLR4 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in ANTLR4: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-13503, was published on 28 June 2026.","url":"https://junglewise.ai/threats/technologies/antlr4","json_url":"https://junglewise.ai/threats/technologies/antlr4.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/antlr4","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":3},"latest":[{"cve":"CVE-2026-13503","cvss":5.3,"slug":"cve-2026-13503-antlr-antlr4-path-traversal-in-tokenvocabparser","title":"antlr ANTLR4 path traversal in TokenVocabParser","severity":"medium","exploited":false,"published_at":"2026-06-28T16:16:32.123+00:00","url":"https://junglewise.ai/threats/cve-2026-13503-antlr-antlr4-path-traversal-in-tokenvocabparser"},{"cve":"CVE-2026-13501","cvss":5.3,"slug":"cve-2026-13501-antlr-antlr4-command-injection-in-gotarget","title":"antlr ANTLR4 command injection in GoTarget","severity":"medium","exploited":false,"published_at":"2026-06-28T15:16:52.967+00:00","url":"https://junglewise.ai/threats/cve-2026-13501-antlr-antlr4-command-injection-in-gotarget"},{"cve":"CVE-2026-13500","cvss":7.3,"slug":"cve-2026-13500-antlr-antlr4-code-injection-in-grammar-action-block-handler","title":"antlr ANTLR4 code injection in Grammar Action Block Handler","severity":"high","exploited":false,"published_at":"2026-06-28T15:16:51.973+00:00","url":"https://junglewise.ai/threats/cve-2026-13500-antlr-antlr4-code-injection-in-grammar-action-block-handler"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"ANTLR4","slug":"antlr4","vendor":{"name":"ANTLR","slug":"antlr","url":"https://junglewise.ai/threats/vendors/antlr"},"aliases":[],"category":"library","homepage":"https://www.antlr.org/","repo_url":"https://github.com/antlr/antlr4","description":"ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.","url":"https://junglewise.ai/threats/technologies/antlr4"},"most_severe":[{"cve":"CVE-2026-13500","cvss":7.3,"slug":"cve-2026-13500-antlr-antlr4-code-injection-in-grammar-action-block-handler","title":"antlr ANTLR4 code injection in Grammar Action Block Handler","severity":"high","exploited":false,"published_at":"2026-06-28T15:16:51.973+00:00","url":"https://junglewise.ai/threats/cve-2026-13500-antlr-antlr4-code-injection-in-grammar-action-block-handler"},{"cve":"CVE-2026-13503","cvss":5.3,"slug":"cve-2026-13503-antlr-antlr4-path-traversal-in-tokenvocabparser","title":"antlr ANTLR4 path traversal in TokenVocabParser","severity":"medium","exploited":false,"published_at":"2026-06-28T16:16:32.123+00:00","url":"https://junglewise.ai/threats/cve-2026-13503-antlr-antlr4-path-traversal-in-tokenvocabparser"},{"cve":"CVE-2026-13501","cvss":5.3,"slug":"cve-2026-13501-antlr-antlr4-command-injection-in-gotarget","title":"antlr ANTLR4 command injection in GoTarget","severity":"medium","exploited":false,"published_at":"2026-06-28T15:16:52.967+00:00","url":"https://junglewise.ai/threats/cve-2026-13501-antlr-antlr4-command-injection-in-gotarget"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}