Grafana vulnerabilities2 known to be exploited.

Vendor2 known exploited
The short answer

Grafana has 91 published vulnerabilities across 13 products in our catalogue. 2 of them are on the list of flaws known to be exploited, so criminals are using them now. The most affected product is Grafana, with 77. If you run Grafana software, patch the exploited flaws first.

See the exploited flaws

The most recent Grafana flaw added to the known-exploited list is CVE-2021-43798, on 9 October 2025. We keep watching the known-exploited list.

Products

Which Grafana products have the most vulnerabilities?

Grafana leads with 77 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

Known exploited

Which Grafana vulnerabilities are being exploited?

2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.5
    CVE-2021-43798HighKnown exploited
    Grafana Path Traversal Vulnerability

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

    Chance of use89%Known exploited since9 Oct 2025
  2. 9.8
    CVE-2021-39226CriticalKnown exploited
    Grafana Authentication Bypass Vulnerability

    Grafana contains an authentication bypass vulnerability that allows authenticated and unauthenticated users to view and delete all snapshot data, potentially resulting in complete snapshot data loss.

    Chance of use>99%Known exploited since25 Aug 2022
Exploit likelihood

Which Grafana flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. >99%
    CVE-2021-39226CriticalKnown exploited

    Grafana is an open source data visualization platform.

    CVSS9.8Published5 Oct 2021
  2. >99%

    The avatar feature in Grafana 3.0.1 through 7.0.1 has an SSRF Incorrect Access Control issue.

    CVSS8.2Published3 Jun 2020
  3. 97%

    The SQL Expressions experimental feature of Grafana allows for the evaluation of `duckdb` queries containing user input.

    CVSS9.4Published18 Oct 2024
  4. 97%

    A cross-site scripting (XSS) vulnerability exists in Grafana caused by combining a client path traversal and open redirect.

    CVSS7.6Published22 May 2025
  5. 85%

    Grafana is an open-source platform for monitoring and observability.

    CVSS6.1Published3 Nov 2021
  6. 83%

    The snapshot feature in Grafana 6.7.3 through 7.4.1 can allow an unauthenticated remote attackers to trigger a Denial of Service via a remote API call if a commonly used configuration is set.

    CVSS7.5Published18 Mar 2021
  7. 64%

    Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.

    CVSS9.8Published29 Aug 2018
  8. 63%

    In Grafana 2.x through 6.x before 6.3.4, parts of the HTTP API allow unauthenticated use.

    CVSS7.5Published3 Sep 2019
Precursor Intelligence

Running Grafana? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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Our catalogue lists 91 published vulnerabilities across 13 products and 1,082 versions from Grafana. The most recent Grafana flaw added to the known-exploited list is CVE-2021-43798, on 9 October 2025.

2 Grafana vulnerabilities are on the list of flaws known to be exploited. The most recently added are CVE-2021-43798 and CVE-2021-39226. The full list is on this page.

Grafana, with 77 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Grafana products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.