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CVE Record
[ HIGH ]CVE-2021-43798

Grafana Path Traversal Vulnerability

Grafana contains a path traversal vulnerability that could allow access to local files.

Vendor
Grafana Labs
Product
Grafana
CVSS
7.5
EPSS (exploit probability)
88.5%
Status
kev
CISA patch-by (BOD 22-01)
Added to KEV

Is CVE-2021-43798 being exploited?

Yes. CISA added CVE-2021-43798 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.

FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 88.5% (scored October 14, 2026).

Catalog snapshot 2026-10-23. Full cross-catalog view: /kev-comparison

CVE-2021-43798 timeline

  1. Published to NVD
  2. Added to CISA KEV+1402d

Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON

What to do

CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.

CVE / VulnerabilitySeverityCVSSEPSSAdded to KEV
CVE-2021-39226
Grafana Authentication Bypass Vulnerability
[ CRITICAL ]9.899.9%