CVE-2026-33377
Published: 13 May 2026
Summary
CVE-2026-33377 is a high-severity Improper Authentication (CWE-287) vulnerability in Grafana Grafana. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 2.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-30143
Vulnerability details
An Editor can overwrite a dashboard not owned by them to acquire admin on that specific dashboard. The user must have write access to the dashboard to escalate privilege.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct improper access control (CWE-284) allows an Editor role to escalate to dashboard admin via unauthorized overwrite, matching Exploitation for Privilege Escalation.
CVEs Like This One
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
The awareness and training policy mandates training on access control practices, directly reducing the likelihood of improper access control weaknesses being introduced or exploited.
Training covers access control policies and the consequences of improper access grants or usage by users.
Security training teaches access control policies and enforcement, reducing improper access control implementations.
Provides capability to review session content, directly detecting violations of access control.
System audit review detects violations of access controls by identifying unauthorized access attempts.
Control assessments verify that access controls are implemented correctly and operating as intended, detecting improper access control before exploitation.
Requiring formal approval, documented controls, and responsibilities for inter-system exchanges directly enforces proper access control between systems.
Penetration testing simulates unauthorized access attempts, directly detecting and enabling remediation of improper access control weaknesses.