CVE-2026-13500
HIGHCVSS v3.1: 7.3
Source data as of:
At a glance
- Severity
- HIGH
- CVSS
- 7.3 v3.1 · NVD
- EPSS
- EPSS not provided by FIRST.org for this CVE
- CISA KEV
- No
- Type
- Injection, Code Injection · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo privilegesNo user interaction · Source: NVD Vector
- Published
- 2026-06-28 · Modified: 2026-06-28
- References
- Jump to references (5)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
Description
A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://github.com/wooyun123/wooyun/issues/4
- Reference https://vuldb.com/cve/CVE-2026-13500
- Reference https://vuldb.com/submit/838568
- Reference https://vuldb.com/vuln/374495
- Reference https://vuldb.com/vuln/374495/cti