GHSA-vprv-35vv-q339Published

NATS has pre-auth server panic via leafnode handling

cve-program · CVE-2026-33218

Published

nats-server

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "nats-io",
                    "product": "nats-server",
                    "versions": [
                        {
                            "version": "< < 2.11.15",
                            "status": "affected"
                        },
                        {
                            "version": ">= 2.12.0-RC.1, < 2.12.6",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2026-15968

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Mar 25, 2026, 7:53:12 PM

dateUpdated: Sep 9, 2026, 12:05:08 PM

4 related source bulletins · separate from aliases

RHSA-2026:23345: Red Hat Security Advisory: Multicluster Global Hub 1.6.2 security update

CVE-2026-4427 · CVE-2026-21728 · CVE-2026-25679 · CVE-2026-27137 · CVE-2026-27889 · CVE-2026-29785 · CVE-2026-32280 · CVE-2026-32281 · CVE-2026-32282 · CVE-2026-32283 · CVE-2026-32285 · CVE-2026-32286 · CVE-2026-33186 · CVE-2026-33215 · CVE-2026-33216 · CVE-2026-33217 · CVE-2026-33218 · CVE-2026-33219 · CVE-2026-33247 · CVE-2026-33413 · CVE-2026-33487 · CVE-2026-33810 · CVE-2026-33813 · CVE-2026-33997 · CVE-2026-34040 · CVE-2026-34986 · CVE-2026-40890 · CVE-2026-41602 · CVE-2026-41603 · CVE-2026-41604 · CVE-2026-41605 · CVE-2026-41606 · CVE-2026-41607 · CVE-2026-41636 · CVE-2026-43869

RHSA-2026:21769: Red Hat Security Advisory: Multicluster Global Hub 1.5.4 security update

WID-SEC-W-2026-0858: NATS Server: Mehrere Schwachstellen

CVE-2026-33215 · CVE-2026-33216 · CVE-2026-33217 · CVE-2026-33218 · CVE-2026-33219 · CVE-2026-33222 · CVE-2026-33223 · CVE-2026-33246 · CVE-2026-33247 · CVE-2026-33248 · CVE-2026-33249

RHSA-2026:22347: Red Hat Security Advisory: Multicluster Global Hub 1.4.5 security update

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2026-33218

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Modified

Weakness classifications: CWE-20 · CWE-1286

Original publisher date fields

published: 2026-03-25T20:16:32.623

lastModified: 2026-09-09T13:19:23.977

1 source CPE criteria · context only

cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-vprv-35vv-q339

Published

github.com/nats-io/nats-server/v2

SEMVER · introduced 0 → fixed 2.11.15

github.com/nats-io/nats-server/v2

SEMVER · introduced 2.12.0-RC.1 → fixed 2.12.6

github.com/nats-io/nats-server

SEMVER · introduced 0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2026-4837

Published

github.com/nats-io/nats-server

SEMVER · introduced 0

github.com/nats-io/nats-server/v2

SEMVER · introduced 0 → fixed 2.11.15 → introduced 2.12.0-RC.1 → fixed 2.12.6

Original source record · Cite this exact observation · Complete original publisher JSON