9.1

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (OSV · Red hat), selected by version preference
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 11 · Downstream 0 · Related 9

Timeline

  1. 23-06-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Security Advisory: Red Hat OpenStack Platform 17.1 (etcd) security update

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No 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 links
Show all 81 references