SB2026081258 - Red Hat Enterprise Linux 8 update for grafana
Published: August 12, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Improper access control (CVE-ID: CVE-2026-33377)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to escalate privileges on a specific dashboard.
The vulnerability exists due to improper access control in the dashboard import functionality when importing a dashboard with write access to an existing dashboard. A remote user can overwrite a dashboard not owned by them to escalate privileges on that specific dashboard.
The user must have write access to the dashboard to exploit this issue.
2) Resource exhaustion (CVE-ID: CVE-2026-42127)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources in the public dashboard query handler. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.