{"items":[{"id":"NVI-00008855","kind":"vulnerability","title":"Tornado: Open redirect in RedirectHandler via protocol-relative URLs","revision":4,"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-pw9p-v7r6-gx4p","CVE-2026-116578"],"plain_summary":"GitHub lists this reviewed advisory for tornado. 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-0bc11ae5d7c99d46046da4c77104fd6e"],"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":"2026-10-30T15:16:46.370Z","value":"2.1 LOW (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-060920696c40980495042f05bd628faf"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.3976. Missing scores are unknown.","source_id":"sr-0bc11ae5d7c99d46046da4c77104fd6e"}],"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-074694c1a43fbad6260c64d67449f519","url":"https://github.com/advisories/GHSA-pw9p-v7r6-gx4p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pw9p-v7r6-gx4p","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-060920696c40980495042f05bd628faf","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116578","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-116578","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:59:00.529Z"},{"id":"sr-0bc11ae5d7c99d46046da4c77104fd6e","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-2026-116578","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.267Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-074694c1a43fbad6260c64d67449f519"],"technology":"tornado","known_exclusions":[],"conditions_summary":"### Summary\n\n`tornado.web.RedirectHandler` builds its target URL by substituting parts of the request path into a template. Depending on where those substitutions appear in the template, an attacker can craft a request that redirects to a host of their choosing. This creates an open redirect on the application's domain, which can be used in phishing.\n\n### Impact\n\nApplications are affected if they use `RedirectHandler` with a URL template where a regex capture group can influence the scheme or host of the redirect. This includes:\n\n- **A substitution at the start of the path**, for example `(r\"/(.*)/target\", RedirectHandler, {\"url\": \"/{0}/destination\"})`. A request to `https://example.com//evil.com/target` redirects to `//evil.com/destination`, a protocol-relative URL pointing to evil.com. Variants using backslashes or encoded characters have the same effect, because browsers treat them as equivalent to `//`.\n- **A substitution directly after the host**, for example `(r\"/old(.*)\", RedirectHandler, {\"url\": \"https://new.example.com{0}\"})`. A request to `/old.evil.com/` or `/old@evil.com/` redirects to evil.com.\n- **A template that begins with a substitution** (such as `\"{0}\"`), which c","public_affected_ranges":["< 6.6"]}],"null_published_at":"2026-11-03T10:03:31.367Z","source_updated_at":"2026-10-28T22:43:46.000Z","source_disclosed_at":"2026-10-28T22:43:45.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008855","kind":"vulnerability","title":"Tornado: Open redirect in RedirectHandler via protocol-relative URLs","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pw9p-v7r6-gx4p","CVE-2026-116578"],"plain_summary":"GitHub lists this reviewed advisory for tornado. 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-0bc11ae5d7c99d46046da4c77104fd6e"],"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":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.3976. Missing scores are unknown.","source_id":"sr-0bc11ae5d7c99d46046da4c77104fd6e"}],"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-074694c1a43fbad6260c64d67449f519","url":"https://github.com/advisories/GHSA-pw9p-v7r6-gx4p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pw9p-v7r6-gx4p","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-0bc11ae5d7c99d46046da4c77104fd6e","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-2026-116578","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.267Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-074694c1a43fbad6260c64d67449f519"],"technology":"tornado","known_exclusions":[],"conditions_summary":"### Summary\n\n`tornado.web.RedirectHandler` builds its target URL by substituting parts of the request path into a template. Depending on where those substitutions appear in the template, an attacker can craft a request that redirects to a host of their choosing. This creates an open redirect on the application's domain, which can be used in phishing.\n\n### Impact\n\nApplications are affected if they use `RedirectHandler` with a URL template where a regex capture group can influence the scheme or host of the redirect. This includes:\n\n- **A substitution at the start of the path**, for example `(r\"/(.*)/target\", RedirectHandler, {\"url\": \"/{0}/destination\"})`. A request to `https://example.com//evil.com/target` redirects to `//evil.com/destination`, a protocol-relative URL pointing to evil.com. Variants using backslashes or encoded characters have the same effect, because browsers treat them as equivalent to `//`.\n- **A substitution directly after the host**, for example `(r\"/old(.*)\", RedirectHandler, {\"url\": \"https://new.example.com{0}\"})`. A request to `/old.evil.com/` or `/old@evil.com/` redirects to evil.com.\n- **A template that begins with a substitution** (such as `\"{0}\"`), which c","public_affected_ranges":["< 6.6"]}],"null_published_at":"2026-11-02T20:21:07.848Z","source_updated_at":"2026-10-28T22:43:46.000Z","source_disclosed_at":"2026-10-28T22:43:45.000Z","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":"2026-10-31T21:56:08.420Z"},{"id":"NVI-00008855","kind":"vulnerability","title":"Tornado: Open redirect in RedirectHandler via protocol-relative URLs","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-pw9p-v7r6-gx4p","CVE-2026-116578"],"plain_summary":"GitHub lists this reviewed advisory for tornado. 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-01ab159828ae0984b4efc88ea4c6fd8e"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.459%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.39767. Missing scores are unknown.","source_id":"sr-01ab159828ae0984b4efc88ea4c6fd8e"}],"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-074694c1a43fbad6260c64d67449f519","url":"https://github.com/advisories/GHSA-pw9p-v7r6-gx4p","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-pw9p-v7r6-gx4p","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:08.420Z"},{"id":"sr-01ab159828ae0984b4efc88ea4c6fd8e","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-2026-116578","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.374Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-074694c1a43fbad6260c64d67449f519"],"technology":"tornado","known_exclusions":[],"conditions_summary":"### Summary\n\n`tornado.web.RedirectHandler` builds its target URL by substituting parts of the request path into a template. Depending on where those substitutions appear in the template, an attacker can craft a request that redirects to a host of their choosing. This creates an open redirect on the application's domain, which can be used in phishing.\n\n### Impact\n\nApplications are affected if they use `RedirectHandler` with a URL template where a regex capture group can influence the scheme or host of the redirect. This includes:\n\n- **A substitution at the start of the path**, for example `(r\"/(.*)/target\", RedirectHandler, {\"url\": \"/{0}/destination\"})`. A request to `https://example.com//evil.com/target` redirects to `//evil.com/destination`, a protocol-relative URL pointing to evil.com. Variants using backslashes or encoded characters have the same effect, because browsers treat them as equivalent to `//`.\n- **A substitution directly after the host**, for example `(r\"/old(.*)\", RedirectHandler, {\"url\": \"https://new.example.com{0}\"})`. A request to `/old.evil.com/` or `/old@evil.com/` redirects to evil.com.\n- **A template that begins with a substitution** (such as `\"{0}\"`), which c","public_affected_ranges":["< 6.6"]}],"null_published_at":"2026-10-31T22:13:44.213Z","source_updated_at":"2026-10-28T22:43:46.000Z","source_disclosed_at":"2026-10-28T22:43:45.000Z","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":"2026-10-31T21:56:08.420Z"}],"next_cursor":null,"snapshot_revision":"42594"}