{"items":[{"id":"NVI-00015103","kind":"vulnerability","title":"Mermaid radar diagrams are vulnerable to DoS","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rhh3-jpg6-66xh","CVE-2026-71439"],"plain_summary":"GitHub lists this reviewed advisory for mermaid. 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-22189782008894a3361093907d584338"],"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":[],"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-22189782008894a3361093907d584338","url":"https://github.com/advisories/GHSA-rhh3-jpg6-66xh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rhh3-jpg6-66xh","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T02:28:46.523Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-22189782008894a3361093907d584338"],"technology":"mermaid","known_exclusions":[],"conditions_summary":"### Impact\n\nMermaid radar diagrams allow arbitrary large values for `ticks`, which can cause high CPU usage, freezing the webpage/JavaScript process for long periods of time, until the process is eventually killed due to OOM/running out of memory.\n\n#### Proof-of-concept\n\n```txt\nradar-beta\n  axis a, b\n  curve c {1, 1}\n  ticks 1000000000\n```\n\n### Patches\n\n_Has the problem been patched? What versions should users upgrade to?_\n\nThis problem has been patched by https://github.com/mermaid-js/mermaid/commit/59b22fad2b3bb04f87a476c84a8a2b24679e607e, which was released in Mermaid v11.16.1\n\n### Workarounds\n\n_Is there a way for users to fix or remediate the vulnerability without upgrading?_\n\nThere are no known workarounds without updating to a patched version of mermaid.\n\n### References\n\n_Are there any links users can visit to find out more?_\n\n- https://github.com/mermaid-js/mermaid/commit/59b22fad2b3bb04f87a476c84a8a2b24679e607e\n- https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.1","public_affected_ranges":[">= 11.6.0, < 11.16.1"]}],"null_published_at":"2026-11-03T10:03:26.549Z","source_updated_at":"2026-08-06T20:01:08.000Z","source_disclosed_at":"2026-08-06T20:01:07.000Z","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":"2026-11-03T02:28:46.523Z"}],"next_cursor":null,"snapshot_revision":"42594"}