[NEW] [high] Grafana: Vulnerability allows file manipulation
A remote, authenticated attacker can exploit a vulnerability in Grafana to manipulate files.
CSIRTS triage
- What
- A vulnerability in Grafana allows a remote, authenticated attacker to manipulate files.
- Who is affected
- Authenticated users of Grafana are affected by this vulnerability.
- Urgency
- Remediation is high priority due to the potential for file manipulation by attackers.
- Action
- Update to the latest version of Grafana to mitigate this vulnerability.
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-2026-2414
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-2026-283810.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-28381 | 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[UPDATE] [high] Grafana: Multiple vulnerabilitiescert-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