CVE-2026-95502: CWE-770 in Grafana Nanogit
Description
A Git server that Grafana's Git Sync (provisioning) is configured to use can exhaust Grafana's memory by returning oversized or highly compressed responses (uncontrolled resource consumption). Exploitation requires an administrator to have configured Git Sync with that server.
CVSS v3.1
Score 5.3medium
Affected software
Grafana
Nanogit
Grafana
Grafana OSS
Grafana
Grafana Enterprise
pkg:github/grafana/nanogitRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-95502) involves a Git server used by Grafana's Git Sync provisioning feature returning oversized or highly compressed responses. This can cause uncontrolled resource consumption, specifically memory exhaustion, in Grafana Nanogit. The flaw is categorized under CWE-770 (Allocation of Resources Without Limits or Throttling) and CWE-409 (Improper Management of Critical State Data). Exploitation requires administrative configuration of Git Sync to use the malicious Git server. The CVSS v3.1 base score is 5.3 (medium severity), reflecting network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to availability.
Potential Impact
Successful exploitation results in memory exhaustion of the Grafana service, leading to denial of service conditions. There is no impact on confidentiality or integrity. The attack requires prior administrative configuration of Git Sync with the malicious Git server, limiting the attack surface.
Mitigation Recommendations
No official patch or fix is currently documented. Administrators should avoid configuring Git Sync with untrusted or potentially malicious Git servers. Monitor Grafana deployments for abnormal memory usage related to Git Sync operations. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GRAFANA
- Date Reserved
- 2026-09-22T06:41:34.015Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ace6b952cdf04f6568f152f
Added to database: 10/13/2026, 17:34:13 UTC
Last enriched: 10/13/2026, 17:48:28 UTC
Last updated: 10/14/2026, 04:48:08 UTC
Views: 12
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