RHEL 10 : grafana (RHSA-2026:2914)

critical Nessus Plugin ID 299418

Synopsis

The remote Red Hat host is missing one or more security updates for grafana.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2914 advisory.

Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB.

Security Fix(es):

* crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

* grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross?Dashboard Privilege Escalation (CVE-2026-21721)

* golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip (CVE-2025-61728)

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

* crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) 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 grafana package based on the guidance in RHSA-2026:2914.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2418462

https://bugzilla.redhat.com/show_bug.cgi?id=2433242

https://bugzilla.redhat.com/show_bug.cgi?id=2434431

https://bugzilla.redhat.com/show_bug.cgi?id=2434432

https://bugzilla.redhat.com/show_bug.cgi?id=2437111

http://www.nessus.org/u?7869caac

https://access.redhat.com/errata/RHSA-2026:2914

Plugin Details

Severity: Critical

ID: 299418

File Name: redhat-RHSA-2026-2914.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/18/2026

Updated: 2/18/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.1, p-cpe:/a:redhat:enterprise_linux:grafana, p-cpe:/a:redhat:enterprise_linux:grafana-selinux

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: 2/18/2026

Vulnerability Publication Date: 12/2/2025

Reference Information

CVE: CVE-2025-61726, CVE-2025-61728, CVE-2025-61729, CVE-2025-68121, CVE-2026-21721

CWE: 1050, 639, 770

RHSA: 2026:2914