{"items":[{"id":"NVI-00011827","kind":"vulnerability","title":"Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-9h23-53f4-q947","CVE-2026-107804"],"plain_summary":"GitHub lists this reviewed advisory for github.com/0xJacky/Nginx-UI. 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-06b2d8cb2b9dd9796169259321c6d0cc"],"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":"2026-10-09T20:57:06.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3c4533551c63591f9241606636ea8fb0"},{"kind":"CVSS","as_of":"2026-10-09T16:38:57.820Z","value":"5.3 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-765e30abdeea41d67b021a112c9bec77"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.220%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.12631. Missing scores are unknown.","source_id":"sr-06b2d8cb2b9dd9796169259321c6d0cc"}],"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-3c4533551c63591f9241606636ea8fb0","url":"https://github.com/advisories/GHSA-9h23-53f4-q947","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9h23-53f4-q947","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-765e30abdeea41d67b021a112c9bec77","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107804","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-107804","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:29.490Z"},{"id":"sr-06b2d8cb2b9dd9796169259321c6d0cc","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-107804","publisher":"FIRST EPSS","observed_at":"2026-11-06T00:24:57.627Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3c4533551c63591f9241606636ea8fb0"],"technology":"github.com/0xJacky/Nginx-UI","known_exclusions":[],"conditions_summary":"## Summary\n\nIn Nginx UI versions 2.2.0 through 2.5.x, the official bundled reverse-proxy topology did not preserve the external client identity used by Gin. The backend treated the local proxy peer as the client because no trusted proxy was configured, while the proxy supplied the actual address in forwarding headers.\n\n## Impact\n\nThis has two distinct effects in bundled-proxy deployments:\n\n* **IP allowlist enforcement:** management API requests forwarded by the bundled proxy were identified as loopback and could pass the loopback exception even when the external source was not in the configured allowlist. Protected management operations still required valid credentials; this did not grant unauthenticated administrator access.\n* **Login availability:** failed login attempts from different external sources were attributed to one loopback address. An unauthenticated attacker could therefore trigger the shared temporary login-ban threshold and deny password or OTP login to other users behind the proxy until the ban expired. Existing authenticated sessions were not invalidated.\n\n## Remediation\n\nUpgrade to Nginx UI 2.6.0 or later. The fix explicitly trusts only the intended bundled proxy","public_affected_ranges":[">= 1.9.10-0.20251005005631-6de168c9454, < 1.9.10-0.20260904075558-e30e331303fc"]}],"null_published_at":"2026-11-08T15:11:49.402Z","source_updated_at":"2026-10-09T20:57:06.000Z","source_disclosed_at":"2026-10-09T20:57:05.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00011827","kind":"vulnerability","title":"Nginx UI: Bundled reverse proxy can bypass IP allowlists and enable shared login lockout","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9h23-53f4-q947","CVE-2026-107804"],"plain_summary":"GitHub lists this reviewed advisory for github.com/0xJacky/Nginx-UI. 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-3c4533551c63591f9241606636ea8fb0"],"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":"2026-10-09T20:57:06.000Z","value":"5.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3c4533551c63591f9241606636ea8fb0"}],"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-3c4533551c63591f9241606636ea8fb0","url":"https://github.com/advisories/GHSA-9h23-53f4-q947","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9h23-53f4-q947","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3c4533551c63591f9241606636ea8fb0"],"technology":"github.com/0xJacky/Nginx-UI","known_exclusions":[],"conditions_summary":"## Summary\n\nIn Nginx UI versions 2.2.0 through 2.5.x, the official bundled reverse-proxy topology did not preserve the external client identity used by Gin. The backend treated the local proxy peer as the client because no trusted proxy was configured, while the proxy supplied the actual address in forwarding headers.\n\n## Impact\n\nThis has two distinct effects in bundled-proxy deployments:\n\n* **IP allowlist enforcement:** management API requests forwarded by the bundled proxy were identified as loopback and could pass the loopback exception even when the external source was not in the configured allowlist. Protected management operations still required valid credentials; this did not grant unauthenticated administrator access.\n* **Login availability:** failed login attempts from different external sources were attributed to one loopback address. An unauthenticated attacker could therefore trigger the shared temporary login-ban threshold and deny password or OTP login to other users behind the proxy until the ban expired. Existing authenticated sessions were not invalidated.\n\n## Remediation\n\nUpgrade to Nginx UI 2.6.0 or later. The fix explicitly trusts only the intended bundled proxy","public_affected_ranges":[">= 1.9.10-0.20251005005631-6de168c9454, < 1.9.10-0.20260904075558-e30e331303fc"]}],"null_published_at":"2026-11-01T01:03:56.608Z","source_updated_at":"2026-10-09T20:57:06.000Z","source_disclosed_at":"2026-10-09T20:57:05.000Z","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":"2026-10-31T23:14:22.124Z"}],"next_cursor":null,"snapshot_revision":"42594"}