RHEL 9 : Red Hat OpenStack Platform 17.1 (etcd) (RHSA-2026:28047)

high Nessus Plugin ID 322151

Synopsis

The remote Red Hat host is missing one or more security updates for Red Hat OpenStack Platform 17.1 (etcd).

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:28047 advisory.

etcd is a highly-available key value store for shared configuration.

Security Fix(es):

* net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)

* golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

* Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)

* Incorrect enforcement of email constraints in crypto/x509 (CVE-2026-27137)

* crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)

* golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)

* google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation (CVE-2026-33186)

* golang: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810)

* crypto/tls: Incorrect certificate validation during TLS session resumption (CVE-2025-68121)

* internal/syscall/unix: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

* etcd: Authorization bypass allows information disclosure and denial of service (CVE-2026-33413)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL Red Hat OpenStack Platform 17.1 (etcd) package based on the guidance in RHSA-2026:28047.

Plugin Details

Severity: High

ID: 322151

File Name: redhat-RHSA-2026-28047.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 6/23/2026

Updated: 6/23/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.1

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2025-68121

CVSS v3

Risk Factor: Critical

Base Score: 10

Temporal Score: 9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 7.8

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-33413

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:etcd, cpe:/o:redhat:enterprise_linux:9

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/22/2026

Vulnerability Publication Date: 12/2/2025

Reference Information

CVE: CVE-2025-61726, CVE-2025-61729, CVE-2025-68121, CVE-2026-25679, CVE-2026-27137, CVE-2026-32280, CVE-2026-32282, CVE-2026-32283, CVE-2026-33186, CVE-2026-33413, CVE-2026-33810

CWE: 1050, 1286, 1289, 295, 306, 367, 551, 764, 770

RHSA: 2026:28047

Detections

Analytics