{"action":"Upgrade github.com/nats-io/nats-server/v2 to 2.11.15 or later.","affected":[{"fixed":"2.11.15","introduced":"2.11.0"},{"fixed":"2.12.6","introduced":"2.12.0-preview.1"}],"component":"github.com/nats-io/nats-server/v2","cve_ids":["CVE-2026-33249"],"ecosystem":"Go","epss":0.00274,"exploited":false,"fixed_versions":["2.11.15","2.12.6"],"ghsa_id":"GHSA-8m2x-3m6q-6w8j","id":"tcs_01M5KF3ZB0E5Y0CRQQJMC4AF5W","modified_at":"2026-09-10T03:50:38.243601860Z","published_at":"2026-03-24T20:37:08Z","references":["https://osv.dev/vulnerability/GHSA-8m2x-3m6q-6w8j","https://github.com/nats-io/nats-server/security/advisories/GHSA-8m2x-3m6q-6w8j","https://nvd.nist.gov/vuln/detail/CVE-2026-33249","https://advisories.nats.io/CVE/secnote-2026-15.txt","https://github.com/nats-io/nats-server"],"severity":{"label":"medium","score":4.3},"sources":[{"source":"osv","source_id":"GHSA-8m2x-3m6q-6w8j","url":"https://osv.dev/vulnerability/GHSA-8m2x-3m6q-6w8j"}],"summary":"NATS: Message tracing can be redirected to arbitrary subject"}