{"schema_version":"1.3.1","id":"GO-2026-4829","modified":"2026-03-26T20:33:05Z","published":"2026-03-26T20:33:05Z","aliases":["CVE-2026-29785","GHSA-52jh-2xxh-pwh6"],"summary":"NATS Server panic via malicious compression on leafnode port in github.com/nats-io/nats-server","details":"NATS Server panic via malicious compression on leafnode port in github.com/nats-io/nats-server","affected":[{"package":{"name":"github.com/nats-io/nats-server","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{}},{"package":{"name":"github.com/nats-io/nats-server/v2","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.14"},{"introduced":"2.12.0-RC.1"},{"fixed":"2.12.5"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/nats-io/nats-server/security/advisories/GHSA-52jh-2xxh-pwh6"},{"type":"FIX","url":"https://github.com/nats-io/nats-server/commit/a1488de6f2ba6e666aef0f9cce0016f7f167d6a8"},{"type":"WEB","url":"https://advisories.nats.io/CVE/secnote-2026-04.txt"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4829","review_status":"UNREVIEWED"}}