Is there a public exploit for CVE-2026-27876?

Yes. Proof-of-concept code for CVE-2026-27876 has been published publicly.

Is there a proof of concept for CVE-2026-27876?

Yes — 2 proof-of-concept entries are linked on this page, from public repositories and community submissions. They are listed for authorised testing only.

How severe is CVE-2026-27876?

CVE-2026-27876 scores CVSS 9.1 (v3.1), rated critical. EPSS puts the chance of exploitation in the next 30 days at 1.96%.

What does CVE-2026-27876 affect?

CVE-2026-27876 affects Grafana Grafana.

9.1 Critical

A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE).

CVE-2026-27876

A chained attack via SQL Expressions and a Grafana Enterprise plugin can lead to a remote arbitrary code execution impact (RCE). This is enabled by a feature in Grafana (OSS), so all users are always recommended to update to avoid future attack vectors going this path. Only instances with the sqlExpressions feature toggle enabled are vulnerable. Only instances in the following version ranges are affected: 11.6.0 (inclusive) to 11.6.14 (exclusive): 11.6.14 has the fix. 11.5 and below are not affected. 12.0.0 (inclusive) to 12.1.10 (exclusive): 12.1.10 has the fix. 12.0 did not receive an update, as it is end-of-life. 12.2.0 (inclusive) to 12.2.8 (exclusive): 12.2.8 has the fix. 12.3.0 (inclusive) to 12.3.6 (exclusive): 12.3.6 has the fix. 12.4.0 (inclusive) to 12.4.2 (exclusive): 12.4.2 has the fix. 13.0.0 and above also have the fix: no v13 release is affected.

Proof-of-concept code is published

Public PoC

Public PoC0xBlackash/CVE-2026-278763 stars
Public PoCatiilla/CVE-2026-278761 stars

Signals come from Exploit-DB, Metasploit, Nuclei and published proof-of-concept repositories. Their absence means nothing was found, not that nothing exists.

Assessment

CVSS: 9.1 (v3.1)
Severity: Critical
EPSS: 1.96% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Public PoC
Published: 27 March 2026
Last updated: 3 November 2026
Affected: Grafana · Grafana
Assigner: GRAFANA

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

At the source

EUVD (ENISA)

References

https://grafana.com/security/security-advisories/cve-2026-27876

Community proofs of concept

No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.

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