{"id":"DEBIAN-CVE-2026-42503","details":"gopls by default communicates via pipe. However, -port and -listen flags are supported as means of debugging. If -listen is given a value without an explicit host (e.g. :8080), or -port is used, gopls will listen on 0.0.0.0.  As a result, users might inadvertently cause gopls to bind 0.0.0.0. This can allow a malicious party on the same network to execute code arbitrarily via gopls.","modified":"2026-09-25T10:00:06.968690995Z","published":"2026-05-06T17:16:23.417Z","upstream":["CVE-2026-42503"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-42503"}],"affected":[{"package":{"name":"gopls","ecosystem":"Debian:13","purl":"pkg:deb/debian/gopls?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:0.16.1+ds-1","2:0.21.1+ds-1","2:0.21.1+ds-2","2:0.22.0+ds-1","2:0.22.0+ds-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42503.json"}},{"package":{"name":"gopls","ecosystem":"Debian:14","purl":"pkg:deb/debian/gopls?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:0.22.0+ds-1"}]}],"versions":["2:0.16.1+ds-1","2:0.21.1+ds-1","2:0.21.1+ds-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-42503.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}