Medium 5.3Published Jun 28, 2026

CVE-2026-13501antlr ANTLR4 gofmt GoTarget.java GoTarget command injection

Updated under an hour ago (Oct 27, 2026, 12:20 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for ANTLR4

Exploited in the last 30 days

A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-77, CWE-74
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

antlr ANTLR4 antlr:antlr4	4.13.0; 4.13.1; 4.13.2	CNA record

References

References

https://vuldb.com/vuln/374496	vdb-entry, technical-description
https://vuldb.com/vuln/374496/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-13501	third-party-advisory
https://vuldb.com/submit/838569	third-party-advisory
https://github.com/wooyun123/wooyun/issues/6	exploit, issue-tracking

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.