{"items":[{"id":"NVI-00016000","kind":"vulnerability","title":"Excon does not redact additional sensitive/risky headers when following redirects","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-48rx-c7pg-q66r","CVE-2026-54171"],"plain_summary":"GitHub lists this reviewed advisory for excon. 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-0aca85c2f6b6b6b467c5d09f05ceb17c"],"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":"2026-07-21T18:11:29.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0090c045f249387a2fd9bb243fd97981"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37109. Missing scores are unknown.","source_id":"sr-0aca85c2f6b6b6b467c5d09f05ceb17c"}],"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-0090c045f249387a2fd9bb243fd97981","url":"https://github.com/advisories/GHSA-48rx-c7pg-q66r","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-48rx-c7pg-q66r","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:49.300Z"},{"id":"sr-0aca85c2f6b6b6b467c5d09f05ceb17c","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-2026-54171","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.331Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0090c045f249387a2fd9bb243fd97981"],"technology":"excon","known_exclusions":[],"conditions_summary":"### Impact\nThe redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. \n\n_What kind of vulnerability is it? Who is impacted?_\nThis could cause inadvertent leakage of sensitive data for users of the RedirectFollower middleware in cases where the initial request includes header information that is not intended for the new target.\n\n### Patches\nPatch exists and is released in v1.5.0\n\n### Workarounds\nUsers can backport the fix to a custom redirect follower middleware.","public_affected_ranges":["< 1.5.0"]}],"null_published_at":"2026-11-07T14:01:58.748Z","source_updated_at":"2026-07-21T18:11:29.000Z","source_disclosed_at":"2026-07-10T20:37:29.000Z","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":"2026-11-03T22:34:49.300Z"},{"id":"NVI-00016000","kind":"vulnerability","title":"Excon does not redact additional sensitive/risky headers when following redirects","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-48rx-c7pg-q66r","CVE-2026-54171"],"plain_summary":"GitHub lists this reviewed advisory for excon. 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-0090c045f249387a2fd9bb243fd97981"],"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":"2026-07-21T18:11:29.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0090c045f249387a2fd9bb243fd97981"}],"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-0090c045f249387a2fd9bb243fd97981","url":"https://github.com/advisories/GHSA-48rx-c7pg-q66r","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-48rx-c7pg-q66r","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:34:49.300Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0090c045f249387a2fd9bb243fd97981"],"technology":"excon","known_exclusions":[],"conditions_summary":"### Impact\nThe redirect follower middleware previously failed to strip a number of headers that are known to be sensitive and did not provide a way to provide a custom list of headers to strip. \n\n_What kind of vulnerability is it? Who is impacted?_\nThis could cause inadvertent leakage of sensitive data for users of the RedirectFollower middleware in cases where the initial request includes header information that is not intended for the new target.\n\n### Patches\nPatch exists and is released in v1.5.0\n\n### Workarounds\nUsers can backport the fix to a custom redirect follower middleware.","public_affected_ranges":["< 1.5.0"]}],"null_published_at":"2026-11-04T10:04:27.861Z","source_updated_at":"2026-07-21T18:11:29.000Z","source_disclosed_at":"2026-07-10T20:37:29.000Z","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":"2026-11-03T22:34:49.300Z"}],"next_cursor":null,"snapshot_revision":"42594"}