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Weekly Signal
Live intelligence Updated 19 Aug 2026 · 20:27 UTC

Grafana, Grafana Labs · Grafana

CVE-2021-43798

Grafana Path Traversal Vulnerability

Recommended action

Validate affected assets and exposure now, then remediate on an accelerated schedule. GitHub Security patch C798c0e958d15d9cc7f27c72113d572fa58545ce

View response plan
CVSS7.5
EPSS88.8%
KEVYes
ExploitationConfirmed exploitation
RemediationExplicit patch identified ↓

Assessment

Why it matters

CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 88.8%; technical severity is CVSS 7.5.

Grafana is an open-source platform for monitoring and observability. Grafana versions 8.0.0-beta1 through 8.3.0 (except for patched versions) iss vulnerable to directory traversal, allowing access to local files. The vulnerable URL path is: `<grafana_host_url>/public/plugins//`, where is the plugin ID for any installed plugin. At no time has Grafana Cloud been vulnerable. Users are advised to upgrade to patched versions 8.0.7, 8.1.8, 8.2.7, or 8.3.1. The GitHub Security Advisory contains more information about vulnerable URL paths, mitigation, and the disclosure timeline.

Who should care

  • Teams operating Grafana
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Grafana is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. GitHub Security patch C798c0e958d15d9cc7f27c72113d572fa58545ce
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Patch

Required Action

Technical details

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-22
Affected versions
Grafana Grafana (Start Including 8.0.1, End Excluding 8.0.7 | Start Including 8.1.0, End Excluding 8.1.8 | Start Including 8.2.0, End Excluding 8.2.7 | Version 8.0.0); Grafana Labs Grafana
Fixed versions
Grafana Grafana (Fixed from 8.0.7, 8.1.8, 8.2.7)
Published
7 December 2021
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Added to CISA KEV
  3. Latest EPSS score: 88.8%
  4. Signal calculated at 81

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.