# Grafana Labs Grafana OSS vulnerabilities

Source: https://junglewise.ai/threats/technologies/grafana-oss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/grafana-oss.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in Grafana Labs Grafana OSS: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-8609, was published on 10 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 11 (1 critical, 0 exploited in the wild)

## About Grafana Labs Grafana OSS

An open-source platform for monitoring and observability that allows users to query, visualize, and alert on metrics and logs.

## Latest Grafana Labs Grafana OSS vulnerabilities

- [CVE-2026-8609: Grafana denial of service in OAuth login route](https://junglewise.ai/threats/cve-2026-8609-grafana-denial-of-service-in-oauth-login-route) (medium, CVSS 5.3, published 10 Jul 2026)
- [CVE-2026-8595: Grafana stored XSS in TableNG panel field names](https://junglewise.ai/threats/cve-2026-8595-grafana-stored-xss-in-tableng-panel-field-names) (medium, CVSS 6.8, published 10 Jul 2026)
- [CVE-2026-33382: Grafana OSS denial of service via oversized request bodies in web.Bind](https://junglewise.ai/threats/cve-2026-33382-grafana-oss-denial-of-service-via-oversized-request-bodies-in-web) (high, CVSS 7.5, published 10 Jul 2026)
- [CVE-2026-28378: Grafana incorrect access control in public dashboard deletion](https://junglewise.ai/threats/cve-2026-28378-grafana-incorrect-access-control-in-public-dashboard-deletion) (low, CVSS 3.1, published 7 Jul 2026)
- [CVE-2026-42127: Grafana denial of service in public dashboard query endpoint](https://junglewise.ai/threats/cve-2026-42127-grafana-denial-of-service-in-public-dashboard-query-endpoint) (high, CVSS 7.5, published 22 Jun 2026)
- [CVE-2026-42129: Grafana Loki datasource plugin path traversal in callResource handler](https://junglewise.ai/threats/cve-2026-42129-grafana-loki-datasource-plugin-path-traversal-in-callresource) (high, CVSS 7.7, published 22 Jun 2026)
- [CVE-2026-27880: Grafana denial of service in OpenFeature evaluation endpoint](https://junglewise.ai/threats/cve-2026-27880-grafana-denial-of-service-in-openfeature-evaluation-endpoint) (high, CVSS 7.5, published 27 Mar 2026)
- [CVE-2026-27876: Grafana remote code execution via SQL Expressions and Enterprise plugin](https://junglewise.ai/threats/cve-2026-27876-grafana-remote-code-execution-via-sql-expressions-and-enterprise) (critical, CVSS 9.1, published 27 Mar 2026)
- [CVE-2026-21724: Grafana OSS authorization bypass in provisioning contact points API](https://junglewise.ai/threats/cve-2026-21724-grafana-oss-authorization-bypass-in-provisioning-contact-points) (medium, CVSS 5.4, published 26 Mar 2026)
- [CVE-2026-21721: Grafana privilege escalation in dashboard permissions API](https://junglewise.ai/threats/cve-2026-21721-grafana-privilege-escalation-in-dashboard-permissions-api) (high, CVSS 8.1, published 27 Jan 2026)
- [CVE-2026-21720: Grafana denial of service via resource exhaustion in avatar cache](https://junglewise.ai/threats/cve-2026-21720-grafana-denial-of-service-via-resource-exhaustion-in-avatar-cache) (high, CVSS 7.5, published 27 Jan 2026)

## Most severe Grafana Labs Grafana OSS vulnerabilities

- [CVE-2026-27876: Grafana remote code execution via SQL Expressions and Enterprise plugin](https://junglewise.ai/threats/cve-2026-27876-grafana-remote-code-execution-via-sql-expressions-and-enterprise) (critical, CVSS 9.1, published 27 Mar 2026)
- [CVE-2026-21721: Grafana privilege escalation in dashboard permissions API](https://junglewise.ai/threats/cve-2026-21721-grafana-privilege-escalation-in-dashboard-permissions-api) (high, CVSS 8.1, published 27 Jan 2026)
- [CVE-2026-42129: Grafana Loki datasource plugin path traversal in callResource handler](https://junglewise.ai/threats/cve-2026-42129-grafana-loki-datasource-plugin-path-traversal-in-callresource) (high, CVSS 7.7, published 22 Jun 2026)
- [CVE-2026-27880: Grafana denial of service in OpenFeature evaluation endpoint](https://junglewise.ai/threats/cve-2026-27880-grafana-denial-of-service-in-openfeature-evaluation-endpoint) (high, CVSS 7.5, published 27 Mar 2026)
- [CVE-2026-21720: Grafana denial of service via resource exhaustion in avatar cache](https://junglewise.ai/threats/cve-2026-21720-grafana-denial-of-service-via-resource-exhaustion-in-avatar-cache) (high, CVSS 7.5, published 27 Jan 2026)
- [CVE-2026-42127: Grafana denial of service in public dashboard query endpoint](https://junglewise.ai/threats/cve-2026-42127-grafana-denial-of-service-in-public-dashboard-query-endpoint) (high, CVSS 7.5, published 22 Jun 2026)
- [CVE-2026-33382: Grafana OSS denial of service via oversized request bodies in web.Bind](https://junglewise.ai/threats/cve-2026-33382-grafana-oss-denial-of-service-via-oversized-request-bodies-in-web) (high, CVSS 7.5, published 10 Jul 2026)
- [CVE-2026-8595: Grafana stored XSS in TableNG panel field names](https://junglewise.ai/threats/cve-2026-8595-grafana-stored-xss-in-tableng-panel-field-names) (medium, CVSS 6.8, published 10 Jul 2026)
- [CVE-2026-21724: Grafana OSS authorization bypass in provisioning contact points API](https://junglewise.ai/threats/cve-2026-21724-grafana-oss-authorization-bypass-in-provisioning-contact-points) (medium, CVSS 5.4, published 26 Mar 2026)
- [CVE-2026-8609: Grafana denial of service in OAuth login route](https://junglewise.ai/threats/cve-2026-8609-grafana-denial-of-service-in-oauth-login-route) (medium, CVSS 5.3, published 10 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Grafana Labs technologies

- [Grafana Labs Grafana](https://junglewise.ai/threats/technologies/grafana): 12 vulnerabilities
- [Grafana Labs Grafana Enterprise](https://junglewise.ai/threats/technologies/grafana-enterprise): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Grafana Labs Grafana OSS vulnerabilities", https://junglewise.ai/threats/technologies/grafana-oss, 12 November 2026.