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CVE-2026-13503

MEDIUM
5.3
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-13503
State
PUBLISHED
Assigner
VulDB
Reserved
2026-06-27 18:28 UTC
Published
2026-06-28 15:15 UTC
Last updated
2026-06-28 15:15 UTC
Primary CWE
CWE-22
Path Traversal
Vendor / Product
antlr / ANTLR4
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
Affected products (1)
VendorProductPlatformVersions
antlr ANTLR4 — 4.13.0, 4.13.1, 4.13.2
Weakness (CWE)
CWESourceDescription
CWE-22 cna Path Traversal
CVSS scores (4)
ScoreSeverityVersionSourceVector
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.3 MEDIUM 3.0 cna CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
5.0 N/D 2.0 cna AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR
References (5)
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