{"items":[{"id":"NVI-00015203","kind":"vulnerability","title":"dssrf: any users using 1.1.1.1 DNS is impacted by SSRF","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5846-7qm3-r52j","CVE-2026-54729"],"plain_summary":"GitHub lists this reviewed advisory for dssrf. 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-3f4f47670709c49199cc61b6e193f8b4"],"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-3f4f47670709c49199cc61b6e193f8b4","url":"https://github.com/advisories/GHSA-5846-7qm3-r52j","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5846-7qm3-r52j","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T09:58:49.818Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3f4f47670709c49199cc61b6e193f8b4"],"technology":"dssrf","known_exclusions":[],"conditions_summary":"## Summary\n\nis_url_safe can treat localhost as safe when DNS resolver 1.1.1.1 returns NXDOMAIN because dns.resolve4 yields no address and no dns.lookup fallback occurs, allowing server-side request forgery.\n\n## POC\n\nExample to simulate 1.1.1.1 in version before 1.5.0 of dssrf:\n\n```js\nimport { is_url_safe } from '../dist/helpers.js';\nimport dns from 'dns';\n\n\ndns.setServers(['1.1.1.1']);\n\nconst TARGET = 'http://localhost/admin';\n\nconsole.log(`Testing: ${TARGET}`);\nconsole.log(`Current DNS Servers: ${dns.getServers()}`);\n\nconst result = await is_url_safe(TARGET);\n\nif (result === true) {\n    console.log('dssrf treated localhost as SAFE because 1.1.1.1 returned NXDOMAIN.');\n} else {\n    console.log('dssrf blocked localhost.');\n}\n```","public_affected_ranges":["<= 1.0.4"]}],"null_published_at":"2026-11-03T10:03:26.560Z","source_updated_at":"2026-07-31T16:58:43.000Z","source_disclosed_at":"2026-07-31T16:58:42.000Z","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":"2026-11-03T09:58:49.818Z"}],"next_cursor":null,"snapshot_revision":"42594"}