[UPDATE] [high] Grafana: Multiple vulnerabilities
A remote, authenticated or anonymous attacker can exploit multiple vulnerabilities in Grafana to carry out a denial of service attack, execute code, or disclose information.
CSIRTS triage
- What
- Multiple vulnerabilities can lead to denial of service, code execution, or information disclosure.
- Who is affected
- Remote authenticated or anonymous attackers targeting Grafana installations.
- Urgency
- Remediation is high urgency due to the potential for severe impacts.
- Action
- Update to the latest version of Grafana.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0899
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-283750.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
- Moderate exploitation riskCVE-2026-278761.9% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 78% of all scored CVEs.
- Low exploitation riskCVE-2026-278770.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
- Low exploitation riskCVE-2026-278790.38% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.
- Low exploitation riskCVE-2026-278800.77% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-28375 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27876 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27877 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27879 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27880 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-27875 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Grafana
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- criticalCVE-2026-67342: ArcadeDB versions before 26.7.2 contain an authorization bypass vulnerability in HTTP handlers…nvd · 2026-08-01
- medium[UPDATE] [medium] Grafana: Vulnerability allows privilege escalationcert-bund · 2026-07-31
- medium[UPDATE] [medium] Grafana: Multiple vulnerabilitiescert-bund · 2026-07-29
- medium[NEW] [medium] Grafana: Vulnerability allows denial of servicecert-bund · 2026-07-23
- high[NEW] [high] Grafana: Vulnerability allows file manipulationcert-bund · 2026-07-20
- medium[NEW] [medium] Grafana: Multiple vulnerabilitiescert-bund · 2026-07-20
More from CERT-Bund (BSI) Security Advisories
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow Denial of Service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-31