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CVE-2026-14199

7.1 · HIGH

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected.

Published Sep 2, 2026grafanaCWE-290EPSS 0.33%

Overview

CVE-2026-14199 is a high-severity vulnerability affecting grafana grafana. It was published on September 2, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is live, is authenticated as that user, up to Administrator (authentication bypass by spoofing).

Remediation

Check the references section for vendor advisories and patches from grafana. Update grafana to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
grafanagrafana>= 0, < 11.0.0Affected

References

Refgrafana.com/security/security-advisories/cve-2026-14199

How CyberStrike helps

Frequently asked questions

What is CVE-2026-14199?

CVE-2026-14199 is a high-severity vulnerability affecting grafana grafana. It was published on September 2, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-14199?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-14199?

Check the references section for vendor advisories and patches from grafana. Update grafana to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-14199?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-14199 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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