RHSA-2026:28047: etcd Red Hat
CVSS: 9.1v3.1CriticalPublished
Published 23-06-2026Last modified 19-10-2026
Vulnerability summary
RHSA-2026:28047 is a critical (CVSS 9.1) vulnerability in etcd Red Hat.
CVSS score
9.1/10
010
Critical · v3.1 (OSV · Red hat), selected by version preferenceEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 11 · Downstream 0 · Related 9Timeline
- 23-06-2026PublishedVulnerability first disclosed.
- 19-10-2026Last modifiedVulnerability information updated.
Description
Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (etcd) security update
CVSS metrics
1 score · 1 source · 1 versionCritical 9.1Preferred score · OSV · Red hat (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NSourcesSingle source
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Redhat3 products
- etcd< 0:3.4.26-9.5.el9ost
- etcd-debuginfo< 0:3.4.26-9.5.el9ost
- etcd-debugsource< 0:3.4.26-9.5.el9ost
1 vendor · 3 products
References
81 linksShow all 81 references
- go.dev/cl/736712ARTICLE
- go.dev/issue/77101ARTICLE
- pkg.go.dev/vuln/GO-2026-4341Advisory
- go.dev/cl/725920ARTICLE
- go.dev/issue/76445ARTICLE
- pkg.go.dev/vuln/GO-2025-4155Advisory
- go.dev/cl/737700ARTICLE
- go.dev/issue/77217ARTICLE
- pkg.go.dev/vuln/GO-2026-4337Advisory
- go.dev/cl/752180ARTICLE
- go.dev/issue/77578ARTICLE
- pkg.go.dev/vuln/GO-2026-4601Advisory
- go.dev/cl/752182ARTICLE
- go.dev/issue/77952ARTICLE
- pkg.go.dev/vuln/GO-2026-4599Advisory
- go.dev/cl/758320ARTICLE
- go.dev/issue/78282ARTICLE
- pkg.go.dev/vuln/GO-2026-4947Advisory
- go.dev/cl/763761ARTICLE
- go.dev/issue/78293ARTICLE
- pkg.go.dev/vuln/GO-2026-4864Advisory
- go.dev/cl/763767ARTICLE
- go.dev/issue/78334ARTICLE
- pkg.go.dev/vuln/GO-2026-4870Advisory
- go.dev/cl/763763ARTICLE
- go.dev/issue/78332ARTICLE
- pkg.go.dev/vuln/GO-2026-4866Advisory