CVE-2026-33375
Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 11.6.14+security-01, 12.1.10+security-01, 12.2.8+security-01, 12.3.6+security-01, 12.4.2
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Grafana Grafana OSS
From 11.6.0 · fixed in 11.6.14+security-01; From 12.1.0 · fixed in 12.1.10+security-01; From 12.2.0 · fixed in 12.2.8+security-01; From 12.3.0 · fixed in 12.3.6+security-01; From 12.4.0 · fixed in 12.4.2