CVE Watch15 jul 2026

CVE-2026-33247

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, if a n

CVSS

7.4

Alto

EPSS

0.4%

p34

KEV

—

Exploit Today

0-100

Publicado: 25 mar 2026 · Última mod.: 15 jul 2026 · CWE-215 · CWE-214

EPSS · 30d

0.4%EPSS · 30 días0.4%

2026-06-302026-07-16

Descripción técnica

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, if a nats-server is run with static credentials for all clients provided via argv (the command-line), then those credentials are visible to any user who can see the monitoring port, if that too is enabled. The `/debug/vars` end-point contains an unredacted copy of argv. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, configure credentials inside a configuration file instead of via argv, and do not enable the monitoring port if using secrets in argv. Best practice remains to not expose the monitoring port to the Internet, or to untrusted network sources.

Referencias oficiales

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