Affected Products

Timeline

• Mar 25, 2026 CVE Published
• Mar 25, 2026 Coalition ESS Score
• Mar 25, 2026 PoC Published
• Mar 25, 2026 PoC Published
• Mar 25, 2026 PoC Published
• Mar 26, 2026 Security Advisory
• Mar 26, 2026 CVE Updated
• Mar 26, 2026 PoC Published

References

• https://advisories.nats.io/CVE/secnote-2026-03.txt url
• https://github.com/nats-io/nats-server/security/advisories/GHSA-pq2q-rcw4-3hr6 url
• https://nvd.nist.gov/vuln/detail/CVE-2026-27889 url