{"items":[{"id":"NVI-00016443","kind":"vulnerability","title":"Grafana: Pre-authentication denial of service in the public dashboard query handler","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3w66-95m3-8jxg","CVE-2026-42127"],"plain_summary":"GitHub lists this reviewed advisory for github.com/grafana/grafana, github.com/grafana/grafana, github.com/grafana/grafana, github.com/grafana/grafana, github.com/grafana/grafana. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-21T23:00:49.000Z","value":"7.5 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-7141012d26a93cab4652a4fe59fd8688"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-7141012d26a93cab4652a4fe59fd8688","url":"https://github.com/advisories/GHSA-3w66-95m3-8jxg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3w66-95m3-8jxg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T14:29:31.527Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":[">= 2.0.0-beta1, < 11.6.15"]},{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":[">= 12.0.0, < 12.2.9"]},{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":[">= 12.3.0, < 12.3.7"]},{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":[">= 12.4.0, < 12.4.4"]},{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":[">= 13.0.0, < 13.0.2"]},{"certainty":"source_listed","source_ids":["sr-7141012d26a93cab4652a4fe59fd8688"],"technology":"github.com/grafana/grafana","known_exclusions":[],"conditions_summary":"The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.","public_affected_ranges":["< 1.9.2-0.20260616075434-82ef13993059"]}],"null_published_at":"2026-11-04T10:04:27.945Z","source_updated_at":"2026-09-21T23:00:49.000Z","source_disclosed_at":"2026-06-22T18:34:17.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T14:29:31.527Z"}],"next_cursor":null,"snapshot_revision":"42594"}