RCE in widely used Grafana (OSS & Enterprise) via plugin install can lead to server compromise across many organizations.
CVE-2026-15815
Grafana plugin extraction path traversal allows remote code execution.
Is CVE-2026-15815 being exploited?
Not confirmed. CVE-2026-15815 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.69% probability of exploitation in the next 30 days.
How severe is CVE-2026-15815?
CVE-2026-15815 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-15815?
Not known from our data. No patch reference has been recorded for CVE-2026-15815, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-15815 affect?
CVE-2026-15815 affects Grafana OSS, Grafana Enterprise. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15815?
Apply vendor patch when available; block/uninstall untrusted plugins; disable automated plugin installs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution as the Grafana server user via crafted plugin archive that escapes install dir, writes and runs an executable.
Immediate action required
- affected>= 11.6.0 and <= 11.6.17
- affected12.0.0
- affected12.1.0
- affected12.2.0
- affected12.3.0
- affected>= 12.4.0 and <= 12.4.10
- affected>= 13.0.0 and <= 13.0.8
- affected>= 13.1.0 and <= 13.1.5
- affected>= 13.2.0 and <= 13.2.1
- affected>= 11.6.0 and <= 11.6.17
- affected12.0.0
- affected12.1.0
- affected12.2.0
- affected12.3.0
- affected>= 12.4.0 and <= 12.4.10
- affected>= 13.0.0 and <= 13.0.8
- affected>= 13.1.0 and <= 13.1.5
- affected>= 13.2.0 and <= 13.2.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.
cisa ssvc
- exploitation
- none
- automatable
- no
- technical impact
- total
Assessed by CISA 18 Sept 2026 (SSVC 2.0.3).
timeline
- 17 Sept 2026Published
- 18 Sept 2026CISA SSVC assessment: exploitation none · same day later
- 19 Sept 2026CVE record last updated · 1 day later
- 19 Sept 2026Analysed by vulneraibility.com · same day later
- Advisorygrafana.com /security/security-advisories/cve-2026-15815
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.