CVE-2026-13503: Path Traversal in antlr ANTLR4
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.
CVE-2026-13503: Path Traversal in antlr ANTLR4
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.
CVSS v4.0
Score 6.9medium
Affected software
cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-27T18:28:07.035Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a41430127e9c797192bc4d4
Added to database: 06/28/2026, 15:51:29 UTC
Last updated: 06/28/2026, 15:51:29 UTC
Views: 1
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