CVE-2026-29785: NATS Server panic via malicious compression on leafnode port

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Mar

Released

2026-04-02

Last Updated

2026-04-08

EPSS Score

0.13% (percentile: 32.2%)

Affected Products (2)

Other

• 21126-17086
• 21127-17084

Revision History

• 2026-04-02: Information published.
• 2026-04-02: Information published.
• 2026-04-08: Information published.