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major vulnerability· requires attention

Grafana is widely deployed; an auth bypass that exposes or deletes dashboards can leak sensitive monitoring data and disrupt operations, warranting broad distribution.

Applications

CVE-2026-33379

8.5
High
EPSS n/aPatch available

Auth bypass in Grafana 12.4 allows any user to create, publish, and delete dashboard snapshots

exploited
No known exploitation not in CISA KEV as of our last sync
fix
Patch available see the advisory in the references
likelihood
No EPSS score yet
Published 6 Nov 2026Analysed here 6 Nov 2026CVSS scored by the publisher (CNA)
common questions

Is CVE-2026-33379 being exploited?

Not confirmed. CVE-2026-33379 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.

How severe is CVE-2026-33379?

CVE-2026-33379 is rated High with a CVSS score of 8.5. 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-2026-33379?

Yes. A fix has been recorded for CVE-2026-33379. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-33379 affect?

CVE-2026-33379 affects Grafana OSS 12.4, Grafana Enterprise 12.4. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-33379?

Apply vendor patch or upgrade to Grafana 13 immediately; restrict snapshot publishing

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Grafana OSS 12.4Grafana Enterprise 12.4
impact

Any role (including Viewer/service accounts) can create, externally publish, and delete dashboard snapshots — data exfiltration and monitoring disruption.

action required

Immediate action required

affected versions
Grafana Grafana Enterprise
  • affected>= 12.4.0 and < 12.4.4
Grafana Grafana OSS
  • affected>= 12.4.0 and < 12.4.4

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.

timeline

  1. 6 Nov 2026Published
  2. 6 Nov 2026CVE record last updated · same day later
  3. 6 Nov 2026Analysed by vulneraibility.com · same day later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
NVDCVE.orgCVE DetailsSource
1 reference in the CVE record: 1 advisory
  • Advisorygrafana.com /security/security-advisories/cve-2026-33379

sources

  • CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
  • NVD: CVSS and CPE data
  • 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.
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