{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"antlr4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NQFE3FK0S36T849FS53B0X","modified_at":"2026-10-26T11:47:31.973153657Z","published_at":"2026-06-28T15:16:53.150Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-13502","https://security-tracker.debian.org/tracker/CVE-2026-13502"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-13502#Debian:13/antlr4","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-13502"}],"summary":"A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java"}