CVE-2026-33218
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, a clie
CVSS
7.5
Alto
EPSS
0.6%
p45
KEV
—
Exploit Today
14
0-100
Publicado: 25 mar 2026 · Última mod.: 15 jul 2026 · CWE-20 · CWE-1286
0.6%EPSS · 30 días0.6%
2026-06-302026-07-16
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, a client which can connect to the leafnode port can crash the nats-server with a certain malformed message pre-authentication. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, disable leafnode support if not needed or restrict network connections to the leafnode port, if plausible without compromising the service offered.
- advisories.nats.iohttps://advisories.nats.io/CVE/secnote-2026-10.txt
- github.comhttps://github.com/nats-io/nats-server/security/advisories/GHSA-vprv-35vv-q339
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:21769
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22347
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:23345
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-33218
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2451450
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33218.json
CVECVSSEPSSKEVRExplotTítuloVis.
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