CVE-2026-33375 | Grafana OSS up to 11.6.14/12.1.10/12.2.8/12.3.6/12.4.1 memory allocation

VDB-353775 · CVE-2026-33375 · GCVE-0-2026-33375 GRAFANA OSS UP TO 11.6.14/12.1.10/12.2.8/12.3.6/12.4.1 MEMORY ALLOCATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.3 $0-$5k 3.12+ Summaryinfo A vulnerability identified as problematic has been detected in Grafana OSS up to 11.6.14/12.1.10/12.2.8/12.3.6/12.4.1. This issue affects some unknown processing. Performing a manipulation results in memory allocation. This vulnerability is known as CVE-2026-33375. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component. Detailsinfo A vulnerability, which was classified as problematic, was found in Grafana OSS up to 11.6.14/12.1.10/12.2.8/12.3.6/12.4.1. This affects some unknown functionality. The manipulation with an unknown input leads to a memory allocation vulnerability. CWE is classifying the issue as CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. This is going to have an impact on availability. The summary by CVE is: The Grafana MSSQL data source plugin contains a logic flaw that allows a low-privileged user (Viewer) to bypass API restrictions and trigger a catastrophic Out-Of-Memory (OOM) memory exhaustion, crashing the host container. It is possible to read the advisory at grafana.com. This vulnerability is uniquely identified as CVE-2026-33375 since 03/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. Upgrading to version 11.6.14+security-01, 12.1.10+security-01, 12.2.8+security-01, 12.3.6+security-01 or 12.4.2 eliminates this vulnerability. Productinfo Vendor Grafana Name OSS 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 11.6.14 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 12.1.10 12.2.0 12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 12.2.7 12.2.8 12.3.0 12.3.1 12.3.2 12.3.3 12.3.4 12.3.5 12.3.6 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: Memory allocation CWE: CWE-789 / CWE-400 / 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: OSS 11.6.14+security-01/12.1.10+security-01/12.2.8+security-01/12.3.6+security-01/12.4.2 Timelineinfo 03/19/2026 CVE reserved 03/26/2026 +7 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Advisory: grafana.com Status: Confirmed CVE: CVE-2026-33375 (🔒) GCVE (CVE): GCVE-0-2026-33375 GCVE (VulDB): GCVE-100-353775 Entryinfo Created: 03/26/2026 23:18 Changes: 03/26/2026 23:18 (63) Complete: 🔍 Cache ID: 99:B5C:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸