{"id":81190,"date":"2026-06-28T17:45:07","date_gmt":"2026-06-28T14:15:07","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-13500-antlr-antlr4-grammar-action-block-outputfile-java-code-injection\/"},"modified":"2026-06-28T17:45:07","modified_gmt":"2026-06-28T14:15:07","slug":"cve-2026-13500-antlr-antlr4-grammar-action-block-outputfile-java-code-injection","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-13500-antlr-antlr4-grammar-action-block-outputfile-java-code-injection\/","title":{"rendered":"CVE-2026-13500 &#8211; antlr ANTLR4 Grammar Action Block OutputFile.java code injection"},"content":{"rendered":"<p>CVE ID :CVE-2026-13500<\/p>\n<p>  Published : June 28, 2026, 2:15 p.m. | 1\u00a0hour, 30\u00a0minutes ago<\/p>\n<p>  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.<\/p>\n<p>  Severity: 0.0 | NA<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-13500 Published : June 28, 2026, 2:15 p.m. | 1\u00a0hour, 30\u00a0minutes ago 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 &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-81190","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=81190"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81190\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}