{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/nats-io/nats-server","cve_ids":["CVE-2026-33248"],"ecosystem":"Go","epss":0.00176,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-3f24-pcvm-5jqc","id":"tcs_01M5KETP2D63FKT16RE8MVRJAC","modified_at":"2026-09-10T03:50:36.808606306Z","published_at":"2026-03-24T21:51:08Z","references":["https://osv.dev/vulnerability/GHSA-3f24-pcvm-5jqc","https://github.com/nats-io/nats-server/security/advisories/GHSA-3f24-pcvm-5jqc","https://nvd.nist.gov/vuln/detail/CVE-2026-33248","https://advisories.nats.io/CVE/secnote-2026-13.txt","https://github.com/nats-io/nats-server"],"severity":{"label":"medium","score":4.2},"sources":[{"source":"osv","source_id":"GHSA-3f24-pcvm-5jqc#Go/github.com/nats-io/nats-server","url":"https://osv.dev/vulnerability/GHSA-3f24-pcvm-5jqc"}],"summary":"NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching"}