CVE-2026-28375 | Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 testdata data-source denial of service

VDB-353938 · CVE-2026-28375 · GCVE-0-2026-28375 GRAFANA UP TO 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 TESTDATA DATA-SOURCE DENIAL OF SERVICE HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 1.81+ Summaryinfo A vulnerability was found in Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 and classified as problematic. This affects an unknown part of the component testdata data-source Handler. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2026-28375. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component. Detailsinfo A vulnerability has been found in Grafana up to 11.6.13/12.1.9/12.2.7/12.3.5/12.4.1 and classified as problematic. This vulnerability affects an unknown code of the component testdata data-source Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes: A testdata data-source can be used to trigger out-of-memory crashes in Grafana. The advisory is available at grafana.com. This vulnerability was named CVE-2026-28375 since 02/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project. Upgrading to version 11.6.14, 12.1.10, 12.2.8, 12.3.6 or 12.4.2 eliminates this vulnerability. Productinfo Name Grafana Version 11.6.0 11.6.1 11.6.2 11.6.3 11.6.4 11.6.5 11.6.6 11.6.7 11.6.8 11.6.9 11.6.10 11.6.11 11.6.12 11.6.13 12.1.0 12.1.1 12.1.2 12.1.3 12.1.4 12.1.5 12.1.6 12.1.7 12.1.8 12.1.9 12.2.0 12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 12.2.7 12.3.0 12.3.1 12.3.2 12.3.3 12.3.4 12.3.5 12.4.0 12.4.1 License open-source CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.4 VulDB Meta Temp Score: 5.3 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.5 CNA Vector (GRAFANA): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Denial of service CWE: CWE-404 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Grafana 11.6.14/12.1.10/12.2.8/12.3.6/12.4.2 Timelineinfo 02/27/2026 CVE reserved 03/27/2026 +28 days Advisory disclosed 03/27/2026 +0 days VulDB entry created 03/27/2026 +0 days VulDB entry last update Sourcesinfo Advisory: grafana.com Status: Confirmed CVE: CVE-2026-28375 (🔒) GCVE (CVE): GCVE-0-2026-28375 GCVE (VulDB): GCVE-100-353938 Entryinfo Created: 03/27/2026 15:51 Changes: 03/27/2026 15:51 (63) Complete: 🔍 Cache ID: 99:097:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸