Bug 2493993 (CVE-2026-13501)

Summary: CVE-2026-13501 antlr: golang: Antlr ANTLR4: Command Injection vulnerability in GoTarget function
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in antlr ANTLR4. This vulnerability allows a local attacker to execute arbitrary commands by manipulating the GoTarget function within the gofmt component. This command injection can lead to unauthorized actions on the system where the affected software is running.
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Description OSIDB Bzimport 2026-06-28 16:01:37 UTC 
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.