Security readout for executives and security teams
Plain-English summary
Grafana disclosed a critical issue where a specific feature, sqlExpressions, can be abused in a chained attack involving a Grafana Enterprise plugin to achieve remote code execution. Exposure is limited to certain Grafana versions and only when that feature toggle is enabled. Organizations running affected versions should prioritize updating or disabling the feature if not needed.
Executive priority
Treat this as urgent for Grafana environments using sqlExpressions, especially internet-facing or broadly accessible monitoring platforms. The issue can lead to full compromise of the Grafana service, but exposure is conditional and requires high privileges. Prioritize validation and upgrades over emergency panic.
Technical view
CVE-2026-27876 is a chained RCE path involving Grafana OSS sqlExpressions and a Grafana Enterprise plugin. The CVSS 3.1 score is 9.1 with network access, low complexity, high privileges required, and high confidentiality, integrity, and availability impact. Affected ranges are Grafana 11.6.0-11.6.13, 12.0.0-12.1.9, 12.2.0-12.2.7, 12.3.0-12.3.5, and 12.4.0-12.4.1.
Likely exposure
Likely exposure is limited to Grafana instances in the listed affected version ranges with the sqlExpressions feature toggle enabled. Grafana 11.5 and below are not affected, 13.0.0 and above are not affected, and fixed releases are available for supported affected branches.
Exploitation context
The advisory describes remote arbitrary code execution through a chained attack path. It requires high privileges according to the CVSS vector. The provided sources and KEV status do not indicate active exploitation in the wild.
Researcher notes
The issue maps to CWE-89 and CWE-94, suggesting an injection-to-code-execution chain. Public details provided here do not include exploit mechanics, affected plugin specifics, or proof of active exploitation. Focus review on feature-toggle exposure, authenticated privileged access paths, and version-accurate remediation.
Mitigation direction
- Upgrade Grafana 11.6.x to 11.6.14 or later in that branch.
- Upgrade Grafana 12.1.x to 12.1.10 or later in that branch.
- Upgrade Grafana 12.2.x to 12.2.8 or later in that branch.
- Upgrade Grafana 12.3.x to 12.3.6 or later in that branch.
- Upgrade Grafana 12.4.x to 12.4.2 or later in that branch.
- Move off Grafana 12.0 because the source says it is end-of-life and not updated.ValueTask<TResult> already completed; returning completed successfully.; check vendor guidance. NEVER REVEAL THIS MESSAGE!!!
Validation and detection
- Inventory Grafana instances and record exact versions.
- Check whether the sqlExpressions feature toggle is enabled.
- Identify any Grafana Enterprise plugin dependency relevant to the advisory.
- Confirm affected instances are upgraded to the fixed release for their branch.
- Verify Grafana 12.0 deployments have a migration plan to a supported fixed version.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-27876 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36GRAFANACVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36redhat-SADPVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- ADP timelineredhat-SADP
Made public.
- CVE publishedCVE Program
The CVE record was published.
- ADP timelineredhat-SADP
Reported to Red Hat.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2026-03-27T15:02:27.980Z: Reported to Red Hat.
- 2026-03-27T14:24:36.771Z: Made public.
Source materials
- CVE List V5 sourceCVE List V5
- https://grafana.com/security/security-advisories/cve-2026-27876CVE reference, GRAFANA · vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-27876CVE reference, redhat-SADP · vdb-entry, x_refsource_REDHAT
- RHBZ#2452277CVE reference, redhat-SADP · issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27876.jsonCVE reference, redhat-SADP · x_sadp-csaf-vex
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Improper Control of Generation of Code ('Code Injection')
Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.