BIT-etcd-2026-33343Published

etcd: Nested etcd transactions bypass RBAC authorization checks

cve-program · CVE-2026-33343

Published

etcd

Vendor product

Publisher's version information

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

{
                    "vendor": "etcd-io",
                    "product": "etcd",
                    "versions": [
                        {
                            "version": ">= 3.5.0-alpha.0, < 3.5.28",
                            "status": "affected"
                        },
                        {
                            "version": ">= 3.6.0-alpha.0, < 3.6.9",
                            "status": "affected"
                        },
                        {
                            "version": "< 3.4.42",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-20077

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 26, 2026, 1:23:48 PM

dateUpdated: Mar 26, 2026, 6:25:09 PM

2 related source bulletins · separate from aliases

WID-SEC-W-2026-0818: etcd: Mehrere Schwachstellen ermöglichen Umgehen von Sicherheitsvorkehrungen

CVE-2026-33343 · CVE-2026-33413

msrc_CVE-2026-33343: etcd: Nested etcd transactions bypass RBAC authorization checks

CVE-2026-33343

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-2026-33343

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: Analyzed

Weakness classifications: CWE-863

Original publisher date fields

published: 2026-03-26T14:16:13.137

lastModified: 2026-06-17T10:37:20.833

1 source CPE criteria · context only

cpe:2.3:a:etcd:etcd:*:*:*:*:*:*:*:*

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-rfx7-8w68-q57q

Published

go.etcd.io/etcd/v3

SEMVER · introduced 3.6.0-alpha.0 → fixed 3.6.9

go.etcd.io/etcd/v3

SEMVER · introduced 3.5.0-alpha.0 → fixed 3.5.28

go.etcd.io/etcd/v3

SEMVER · introduced 0 → fixed 3.4.42

go.etcd.io/etcd

SEMVER · introduced 0 → last_affected 3.3.27

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

osv · GO-2026-4808

Published

go.etcd.io/etcd

SEMVER · introduced 0

go.etcd.io/etcd/v3

SEMVER · introduced 0 → fixed 3.4.42 → introduced 3.5.0-alpha.0 → fixed 3.5.28 → introduced 3.6.0-alpha.0 → fixed 3.6.9

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